Hot Tub Maintenance Services

The right maintenance schedule depends on how often your spa is used and whether it is a private residential hot tub or a rental property. Higher use requires more frequent maintenance to maintain water quality, protect equipment, and ensure a safe, enjoyable guest experience.

Residential Hot Tub Program

If your hot tub is located at your home or cabin and is not rented to guests, our Residential Program is designed for normal family use.

We define normal use as approximately two people using the spa for 30 minutes every other day, while rinsing off before entering.

Our standard residential maintenance schedule includes:

• One maintenance visit per week
• Filter cleaning every 6 weeks
• Water changes every 12 weeks

During each visit, we test and balance water chemistry, adjust sanitizer levels, remove debris, inspect basic mechanical operation, and ensure the spa remains clean, safe, and ready to enjoy.

What If I Have Extra Guests?

Occasional heavy use is expected. Family gatherings, holidays, and visiting guests can significantly increase sanitizer demand and place additional strain on filtration.

If your spa experiences extended periods of heavy use, an additional maintenance visit may be recommended to maintain optimal water quality and user comfort.

Rental Properties & High-Use Hot Tubs

If your hot tub is part of an:

• Airbnb or vacation rental
• Short-term rental property
• Property management program
• Frequently used household

we strongly recommend a higher level of maintenance.

Rental guests expect crystal-clear water and a fully functioning spa regardless of how heavily it was used by previous occupants. More frequent service helps maintain sanitation, identify equipment concerns early, and reduce the risk of water quality issues between stays.

Our minimum rental maintenance schedule includes:

• Water changes every 2 months
• Filter cleaning every month
• Two or more service visits per week based on occupancy and usage

Properties with frequent guest turnover may require additional servicing beyond these guidelines.

What Is the Difference Between 1 Visit Per Week, 2 Visits Per Week, and Water Changes Between Guests?

One Visit Per Week

Best for: Residential hot tubs with predictable, moderate use.

Weekly service includes:

• Water testing and balancing
• Sanitizer adjustments
• Inspection of pH, alkalinity, and hardness
• Debris removal
• Water level checks
• Equipment monitoring

For most privately owned spas, weekly service provides an excellent balance of cost and water quality.

Two Visits Per Week

Best for: Rental properties and high-use households.

Twice-weekly service provides:

• More consistent sanitizer levels
• Faster response to water quality concerns
• Improved management of heavy bather loads
• Reduced risk of cloudy water
• Earlier identification of equipment issues

This is often our recommended minimum service level for busy vacation rentals.

Water Changes Between Guests

Best for: Premium vacation rentals, luxury guest experiences, and properties with frequent guest turnover.

A water change between guest stays provides the highest level of water quality assurance by:

• Completely removing contaminants from previous users
• Resetting water chemistry
• Reducing dissolved solids and organic buildup
• Providing guests with fresh, clean water for every stay

For Airbnb and vacation rental operators, this represents the highest standard of care and guest experience.

Because draining, refilling, balancing, and reheating a hot tub requires additional planning, this service is customized based on property occupancy schedules.

To make this option successful, we recommend either:

• Providing Snow Valley Spas with your guest booking schedule so servicing can be scheduled between departures and arrivals, allowing sufficient heating time, or
• Providing access to a heated water source to significantly reduce recovery and heat-up times.

Water changes between guests are available as a customized maintenance program. Please contact our Service Department to discuss scheduling requirements and develop a plan tailored to your property's occupancy patterns.

Our Recommendation for Airbnb & Vacation Rentals

For properties where guest reviews, cleanliness standards, and premium experiences are a priority, we recommend the highest level of service practical for your turnover schedule.

The more information we receive regarding guest arrivals and departures, the better we can tailor water care, sanitation, water changes, and maintenance visits to ensure every guest arrives to a clean, safe, and professionally maintained hot tub.

Proper hot tub maintenance involves much more than simply adding sanitizer. Safe, comfortable water requires ongoing monitoring of water chemistry, regular cleaning, and routine equipment checks to help protect both bathers and your spa investment.

During each maintenance visit, our technicians perform a combination of water testing, water balancing, cleaning, and equipment inspections to ensure your hot tub remains clean, safe, and operating properly.

Services Included During a Typical Maintenance Visit

Our technicians may perform the following services as required:

• Check water balance and water temperature
• Adjust water chemistry
• Test sanitizer levels
• Vacuum debris from the spa
• Remove waterline buildup ("bather ring") if required
• Top up water levels as needed
• Clean debris from filter baskets and skimmer areas
• Perform a basic inspection of mechanical operations
• Visually inspect circulation and jet performance
• Monitor overall water clarity and condition

The specific services required during each visit will vary based on usage patterns, environmental conditions, and the current condition of the water.

Water Balance Testing and Chemical Adjustments

Maintaining proper water balance is critical for protecting spa equipment, maximizing sanitizer effectiveness, and ensuring a comfortable bathing experience.

Calcium Hardness

Calcium hardness measures the amount of dissolved calcium in the water.

When hardness is too low, water becomes aggressive and may:

• Corrode heaters and metal components
• Damage plumbing systems
• Etch acrylic surfaces
• Contribute to foaming

When hardness is too high, water may:

• Form calcium scale on heaters and jets
• Reduce heating efficiency
• Create cloudy water
• Leave deposits on surfaces and the waterline

Our technicians routinely test hardness levels and make corrections when necessary to help protect your equipment and improve water quality.

Total Alkalinity

Total alkalinity acts as a stabilizer for pH.

When alkalinity is too low:

• pH becomes difficult to control
• Water can become corrosive
• Sanitizer becomes less effective

When alkalinity is too high:

• pH tends to rise continuously
• Water may appear cloudy
• Scale formation becomes more likely

Proper alkalinity is one of the most important foundations of stable and manageable spa water.

pH Balance

pH measures how acidic or basic the water is.

Maintaining proper pH helps ensure:

• Comfortable bathing conditions
• Effective sanitization
• Long equipment life
• Clear, sparkling water

Low pH may cause:

• Eye and skin irritation
• Corrosion of equipment
• Premature wear on heaters and components

High pH may cause:

• Reduced sanitizer effectiveness
• Calcium scale formation
• Cloudy water

Our technicians adjust pH as necessary to maintain manufacturer-recommended operating ranges.

Sanitizer Levels

Sanitizer is your primary defense against bacteria and contaminants introduced by bathers.

Depending on your spa system, sanitization may include:

• Chlorine
• Bromine
• Saltwater-generated sanitizer systems
• Supplemental mineral systems

Proper sanitizer management helps:

• Control bacteria growth
• Maintain water clarity
• Reduce odors
• Protect bathers from waterborne contaminants

If sanitizer levels are found to be low, our technicians may add sanitizer or perform a shock treatment as required.

Water Level Monitoring

Hot tubs naturally lose water through evaporation, splashing, and air injection systems.

Low water levels can:

• Reduce circulation efficiency
• Cause pumps to run improperly
• Create heater faults
• Lead to equipment damage

During each service visit, technicians inspect water levels and top up the water as needed when a water source is available.

Debris Removal and Vacuuming

Outdoor hot tubs constantly collect debris such as:

• Leaves
• Insects
• Dust and pollen
• Tree debris
• Environmental contaminants

When necessary, technicians will vacuum debris from the spa and remove floating contaminants to help maintain water quality and reduce demand on the filtration system.

Waterline ("Bather Ring") Cleaning

Over time, body oils, lotions, cosmetics, and other contaminants can accumulate around the waterline.

This may appear as a:

• Grey ring
• Brown residue
• Greasy buildup

If present during service, technicians will remove this buildup to improve cleanliness, appearance, and water quality.

Filter Basket and Skimmer Cleaning

The skimmer and filter basket are the first line of defense against larger debris entering the filtration system.

During maintenance visits, technicians will:

• Remove collected debris
• Clean filter baskets
• Inspect water flow
• Verify that filtration components are functioning properly

Keeping these components clean helps improve circulation and extends filter life.

Basic Mechanical Inspection

Every maintenance visit includes a basic visual inspection of the spa's operating systems.

Technicians monitor:

• Pump operation
• Circulation performance
• Heater operation
• Water flow
• Jet function
• Error messages or warning indicators

Routine observation allows potential issues to be identified early before they become larger repair problems.

Please note that maintenance visits are not intended to replace a full service diagnosis. If issues requiring repair are discovered, our technicians will recommend appropriate service options.

Our Maintenance Philosophy

At Snow Valley Spas, our goal is not simply to add chemicals. Our objective is to maintain a healthy balance between water quality, equipment protection, and customer comfort.

Every service visit combines water testing, water balancing, cleaning, and preventative equipment monitoring to help ensure your hot tub remains clean, safe, efficient, and enjoyable throughout the year.

Routine maintenance is designed to maintain a properly functioning hot tub under normal use conditions. When a spa experiences heavy use, contamination, equipment concerns, neglected water care, or requires specialized treatments, additional services may be recommended and billed separately.

Additional Shock Treatments

Routine visits include standard water balancing and sanitizer adjustments. However, additional shock treatments may be required when water quality falls outside normal operating conditions.

Examples include:

• Heavy bather loads
• Vacation rental guest turnover
• Cloudy or odorous water
• Low sanitizer levels
• High chlorine demand
• Suspected bacterial contamination

Additional sanitizers, oxidizers, and follow-up visits may result in additional charges depending on the severity of the water recovery required.

Plumbing Purge & System Decontamination

Over time, biofilm can develop inside plumbing lines where sanitizers cannot easily penetrate. Biofilm can harbor bacteria, consume sanitizer, and contribute to ongoing water quality problems.

A plumbing purge helps remove:

• Biofilm buildup
• Body oils and residue
• Organic contaminants
• Hidden bacteria within plumbing lines

Annual purges are strongly recommended for high-use, rental, and vacation property hot tubs.

Prevent II Scale & Hardness Removal Treatment

If excessive calcium scale or mineral buildup is present, a Prevent II treatment may be recommended.

This treatment helps dissolve scale from:

• Plumbing lines
• Heater elements
• Jets
• Equipment components
• Spa surfaces

As calcium deposits are removed, it is normal to see:

• Fine white powder or sediment in the water
• White residue collecting in the filter
• Increased filter loading

This sediment is dissolved calcium being removed from the spa system.

Because the filter captures this material, an additional filter cleaning or filter exchange approximately two weeks after treatment is strongly recommended to restore proper circulation and filtration efficiency.

Specialty Water Treatments

Certain water conditions may require specialty products beyond standard maintenance.

Examples include:

• Metal sequestrants for iron or manganese
• Phosphate removers
• Water recovery treatments
• Green water remediation
• Scale prevention treatments
• Excessive foam control
• Vacation preparation treatments

These products are only recommended when water testing or inspection indicates they are necessary.

Filters, Chemical Feeders & Consumable Components

Routine maintenance includes monitoring the condition of filters and sanitizer delivery systems.

When a filter reaches the end of its service life, a new replacement filter will be installed based on its age, condition, and performance history.

Similarly, chlorine dispensers (floating feeders) may require replacement if they become:

• Broken
• Lost
• Cracked
• Excessively corroded
• No longer capable of properly regulating sanitizer delivery

Replacement filters and dispensers are billed separately.

Repairs & Equipment Diagnostics

Maintenance visits include a basic visual check of spa operation, circulation, water flow, and equipment performance. Routine maintenance does not include:

• Repairs
• Leak detection
• Electrical diagnostics
• Equipment disassembly
• Warranty administration
• Component replacement

If a mechanical concern is identified, the issue will be referred to our Service Department for further diagnosis and quotation.

As a benefit of being on a Snow Valley Spas maintenance program, maintenance-route customers receive preferred service scheduling and special discounts on repair work.

During each maintenance visit, technicians test the water and adjust sanitizer levels based on the expected usage for the coming week.

In most cases, the technician will refill the floating chlorine dispenser and set the opening to release chlorine at a rate that is appropriate for the spa's typical usage patterns.

Because chlorine is released gradually throughout the week, the technician is effectively making an informed prediction about future sanitizer demand based on:

• Historical usage patterns
• Number of occupants
• Rental schedules
• Seasonality
• Water test results
• Previous chlorine consumption

Why Is Communication Important?

The chlorine dispenser can only be adjusted based on the information available at the time of service.

For example:

• If a spa is normally very busy and then sits unused for a week, chlorine demand will be much lower than expected and chlorine levels may be higher than normal at the next visit.
• If a spa is normally lightly used but suddenly has multiple guests or extended usage, sanitizer demand may exceed expectations and chlorine levels may become depleted before the next visit.

This is why communication between the homeowner, property manager, and Snow Valley Spas is extremely important.

By informing us of changes in expected usage, we can better adjust sanitizer levels and maintenance schedules to match actual demand.

Examples include:

• Family gatherings
• Holiday weekends
• Large groups of guests
• Periods when the spa will not be used
• Airbnb and vacation rental bookings
• Extended vacancies

The more information we receive, the better we can balance sanitizer levels. The goal is to avoid having either too little chlorine, which can create water quality and health concerns, or too much chlorine, which may impact user comfort.

Rental Properties and Vacation Rentals

For rental properties, guest schedules are particularly valuable because they allow us to:

• Schedule service visits between guests
• Plan for higher sanitizer demand
• Identify opportunities for water changes between stays
• Reduce the risk of water quality problems
• Improve guest satisfaction

Providing reservation schedules allows us to tailor maintenance to actual occupancy rather than relying on historical averages.

Routine maintenance generally includes reasonable quantities of standard balancing and sanitizing products required to maintain normal water conditions between scheduled visits.

Included Products

Water Testing

• Professional water testing
• Chemical analysis
• Water balancing recommendations

Water Balancing Chemicals

• pH increaser
• pH reducer
• Alkalinity increaser
• Calcium hardness increaser

Sanitizing Products

• Chlorine
• Bromine
• Sanitizer adjustment products
• Routine oxidation treatments when required

Water Care Products

• Clarifiers when needed
• Defoamers when needed

The exact products used will vary based on water conditions, usage levels, sanitizer system, and recommendations from the spa manufacturer.

No maintenance program can guarantee perfect water at all times.

Hot tub water conditions can change rapidly due to factors outside of our control, including:

• Unexpected heavy use
• Large groups of bathers
• Weather events
• Equipment failures
• Guest misuse
• Contamination events
• Lack of communication regarding occupancy changes

Routine maintenance dramatically improves water quality, consistency, and equipment protection, but successful water care is a partnership between Snow Valley Spas and the spa owner.

The best results are achieved when customers communicate changes in expected usage and follow recommended water care practices between visits.

Even with perfect maintenance, hot tub water does not last forever. Over time, contaminants, dissolved minerals, body oils, sanitizer by-products, and total dissolved solids (TDS) accumulate in the water and cannot be completely removed through filtration or chemical treatment alone.

As water ages, you may notice:

• Increased sanitizer demand
• Difficulty balancing water chemistry
• Cloudy water
• Foam formation
• Reduced sanitizer effectiveness
• Increased scaling or mineral buildup

As a general guideline:

• Residential spas: Every 12 weeks
• High-use or rental spas: Every 6 to 8 weeks
• Vacation rentals: More frequently depending on guest turnover
• Water changes between guests: Available for premium rental properties

Water change frequency is influenced by:

• Number of bathers
• Duration of use
• Water source quality
• Filtration efficiency
• Sanitizer demand
• Overall maintenance practices

Fresh water is often the most effective way to restore optimal water quality and improve the overall spa experience.

Our Filter Exchange & Professional Cleaning Program is designed around two filters in rotation, because a professionally cleaned filter simply cannot be cleaned, sanitized, dried, and returned to service during a single maintenance visit.

Each of your filters is dedicated exclusively to your spa and clearly labeled for tracking. While one filter is installed and operating in your hot tub, the second filter is being professionally cleaned, dried, and stored at our facility, ready for the next scheduled exchange.

This rotation allows us to perform a much more thorough cleaning process than can be achieved during a quick on-site rinse.

Benefits of Rotating Two Filters

• Improved water clarity and quality
• More effective removal of oils and contaminants
• Better water circulation and flow
• Reduced strain on pumps and equipment
• Longer filter life
• More consistent filtration performance
• Less homeowner maintenance

Isn't Spraying My Filter Off Good Enough?

A quick rinse with a garden hose is helpful for removing surface debris, but it does not fully clean the filter media.

Over time, hot tub filters become loaded with:

• Body oils
• Lotions and cosmetics
• Sunscreens
• Organic contaminants
• Biofilm and microscopic debris
• Fine particles trapped deep within the pleats

When these contaminants remain in the filter, water flow is reduced and the filter becomes less effective, even if it appears clean on the surface.

An on-site spray and rinse may improve appearance, but it cannot provide the deep cleaning necessary to restore filtration performance.

What Makes Professional Cleaning Different?

After removal from your spa, your filter undergoes a multi-step professional cleaning process at our facility:

1. Enzyme Cleaning Soak

The filter is submerged in a specialized enzyme cleaning solution for a minimum of 24 hours.

This process helps break down:

• Body oils
• Organic waste
• Grease and residue
• Lotion and cosmetic buildup

These contaminants are often embedded deep within the filter media and cannot be removed with rinsing alone.

2. High-Pressure Filter Flosser Cleaning

After soaking, the filter is thoroughly cleaned using a professional filter flosser system.

Unlike a standard garden hose rinse, the filter flosser directs water deep between each pleat to remove:

• Trapped debris
• Dead organic matter
• Fine sediment
• Loosened contaminants from the enzyme soak

This restores water flow and maximizes filtration efficiency.

3. Complete Drying Cycle

After cleaning, the filter is allowed to dry completely before being placed into storage.

This is an important step that is often overlooked during routine homeowner maintenance.

Allowing the filter to become completely dry helps:

• Reduce bacterial survival within the filter media
• Inhibit growth of mold and mildew
• Improve overall cleanliness of the filter
• Prepare the filter for safe storage until its next installation

Because complete drying takes time, a second filter is necessary to maintain uninterrupted spa operation.

Why Not Just Clean the Filter and Put It Right Back In?

A filter that is cleaned and immediately reinstalled may look better, but it does not receive the full benefits of:

• Extended enzyme soaking
• Deep pleat flushing
• Complete drying
• Proper inspection before reinstallation

By rotating two filters, each filter is given sufficient time to go through the entire cleaning process properly rather than receiving a quick rinse and going back into service.

The result is cleaner water, better filtration, improved equipment performance, and a more enjoyable hot tub experience.

How Long Do Filters Last?

Professional cleaning can significantly extend filter life, but all filters eventually wear out.

As part of our program, we track the age and service history of each filter. When a filter no longer meets performance standards or reaches the end of its recommended service life, we will notify you and replace it during a scheduled visit.

Typical replacement intervals include:

• Standard pleated filters: 12-18 months
• Filters rotated through our exchange program: often up to 24 months
• High-use spas and rental properties: approximately 12 months
• Disposable micro-filters: generally every 4-9 months, depending on usage

Replacing filters before they fail helps maintain proper water quality, circulation, sanitizer effectiveness, and equipment protection.

Maintenance visits are designed to help identify potential concerns early, but equipment can occasionally fail between scheduled service appointments.

Contact Snow Valley Spas if you notice:

• Error codes
• No heat
• Low water flow
• Tripped breakers
• Leaks
• Non-functioning pumps
• Persistent water quality issues

Addressing issues early often prevents larger and more expensive repairs.

Our maintenance technicians perform basic operational inspections during service visits, but repair diagnoses and repairs are handled by our Service Department.

Maintenance-route customers receive preferred scheduling and maintenance customer discounts on qualifying repair services.

Most routine maintenance visits do not require any waiting period.

However, temporary restrictions may apply if technicians perform:

• Shock treatments
• High-level sanitizer corrections
• Super-chlorination treatments
• Specialty water treatments

When waiting is required, technicians will leave clear instructions indicating when the spa can safely be used again.

Depending on the treatment performed, waiting periods may range from a few hours to overnight.

Guest safety always takes priority over immediate use.

Small changes in bathing habits can dramatically improve water quality and reduce chemical usage.

We recommend:

• Showering before entering the spa
• Removing cosmetics when possible
• Avoiding lotions and oils immediately before use
• Rinsing swimwear thoroughly after laundering
• Avoiding glassware, food, and beverages in the spa
• Avoiding aromatherapy products unless specifically approved for hot tubs

These simple steps reduce contaminant loading, improve water clarity, and extend water life.

Cleaner bathers result in lower sanitizer demand and a healthier hot tub

Many people assume a strong chlorine smell means there is too much chlorine in the water. In reality, the opposite is often true.

A strong chemical odor is frequently caused by:

• Low sanitizer levels
• Combined chlorine compounds (chloramines)
• Organic contamination
• Heavy bather loads

When chlorine binds with contaminants, it forms chloramines which produce the characteristic "chlorine smell."

Properly balanced water with adequate sanitizer should have very little noticeable odor.

If strong odors are present, technicians may recommend:

• Shock treatment
• Water balancing
• Filter cleaning
• Water replacement if needed

In many cases, adding sanitizer and oxidizing contaminants actually reduces odor rather than increasing it.

Foam is usually caused by contaminants accumulating in the water rather than by a lack of chemicals.

Common causes include:

• Body oils
• Lotions and moisturizers
• Hair products
• Cosmetics
• Laundry detergent residue in swimwear
• Aromatherapy products
• High dissolved solids
• Aging water

Many of these products contain surfactants that lower the surface tension of the water and create foam when air is introduced through the jets.

While defoaming products can temporarily reduce foam, they do not remove the source of the problem. Long-term correction often requires:

• Water balancing
• Filter cleaning
• Water replacement
• Better bather preparation practices

For best results, bathers should shower before entering the spa and avoid introducing unnecessary products into the water.

Cloudy water is one of the most common signs that something in the water chemistry is out of balance.

Cloudiness may be caused by:

• Low sanitizer levels
• High bather loads
• Dirty or restricted filters
• High pH or alkalinity
• Excess calcium hardness
• Dissolved solids buildup
• Organic contamination
• Developing bacterial growth

It is important to understand that clear water does not always mean safe water, and cloudy water does not necessarily mean the water is unsafe. Proper testing is required to determine the cause.

Our technicians evaluate:

• Sanitizer levels
• pH
• Alkalinity
• Calcium hardness
• Filter condition
• Water age
• Overall chlorine demand

Depending on the cause, corrective actions may include water balancing, shock treatment, filter cleaning, specialty treatments, or a water change.

A Residential Hot Tub is intended for use by a single household and invited guests.

A Commercial or Public Hot Tub is generally one that is available to the public or to multiple users outside a single household. Examples may include:

• Hotels and resorts
• Public recreation facilities
• Fitness centres and gyms
• Strata facilities available to residents
• Some rental accommodation settings where the spa is provided as a public amenity

Commercial and public hot tubs may be subject to additional requirements under British Columbia health regulations, including more frequent water testing, record keeping, operator responsibilities, and inspection requirements.

If you are unsure whether your spa may be considered a commercial or public facility, we are happy to help determine the appropriate maintenance program and regulatory requirements for your property.

Providing accurate occupancy information allows us to deliver the highest possible level of service.

For Airbnb and vacation rental properties, we recommend providing:

• Guest arrival dates
• Guest departure dates
• Occupancy levels
• Property management contacts
• Anticipated vacancies
• Planned owner usage

This information allows us to:

• Schedule service between guests
• Adjust sanitizer levels appropriately
• Plan water changes
• Reduce water quality issues
• Improve guest satisfaction
• Maintain a higher standard of water care

Rental hot tubs experience significantly different sanitizer demands than owner-occupied spas. The more information we receive, the better we can customize maintenance to your property's specific needs.

There are several simple steps homeowners can take between visits to support water quality and reduce operating costs:

• Keep the cover closed when not in use
• Maintain proper water levels
• Remove visible debris
• Rinse off before using the spa
• Report unusual water conditions promptly
• Notify Snow Valley Spas of changes in expected usage
• Avoid adding unapproved chemicals or water care products

These simple habits help maintain water quality, reduce chemical demand, and allow our technicians to provide more consistent results during scheduled visits.

One of Snow Valley Spas' primary goals is to introduce the least amount of chemicals possible into your spa while still maintaining safe and sanitary water.

There is currently no safe way to eliminate sanitizer entirely. However, several technologies can dramatically reduce how much chlorine is required while still providing excellent protection against bacteria and other contaminants.

Many modern hot tubs can safely operate with significantly lower chlorine levels when these systems are used together.

UV Sanitization

Many Sundance Spas manufactured in 2012 and newer include UV sanitization systems.

During filtration cycles, water passes through a UV chamber where ultraviolet light alters the DNA of bacteria and microorganisms, preventing them from reproducing.

Benefits include:

• Reduced chlorine consumption
• Improved water quality
• Reduced sanitizer odor
• Lower operating costs

UV systems can reduce sanitizer demand by up to 50% under normal operating conditions.

Ozone + UV Sanitization

Ozone systems are standard on newer Sundance Spas and can often be added to older models.

Ozone is injected directly into the water before it passes through the UV treatment chamber.

Benefits include:

• Destruction of bacteria and microorganisms
• Breakdown of contaminants
• Reduced sanitizer demand
• Better water clarity
• Reduced shocking requirements

Ozone also helps break apart combined sanitizers, allowing chlorine to remain more effective for longer periods.

AquaFinesse Premium Water Care System

AquaFinesse is a premium water care system consisting of a proprietary blend of minerals, salts, and environmentally responsible ingredients.

Added weekly, it works throughout the plumbing system to:

• Help prevent biofilm development
• Improve sanitizer efficiency
• Reduce chemical demand
• Improve water feel and clarity

Biofilm is a slimy protective layer that can develop inside spa plumbing. It shields bacteria from sanitizer and creates an environment where microorganisms can grow and reproduce.

By helping control biofilm, AquaFinesse allows sanitizer to work more effectively throughout the entire spa system.

Every hot tub consumes sanitizer at a different rate. Maintaining proper sanitizer levels is one of the most important aspects of hot tub water care because sanitizer is responsible for controlling bacteria, microorganisms, parasites, and other waterborne pathogens that may be introduced by bathers or the environment.

Insufficient sanitizer levels can create serious health risks. Improperly sanitized water may allow harmful bacteria and microorganisms to grow and multiply, potentially leading to:

• Skin irritations and rashes
• Eye and ear infections
• Respiratory illnesses, including certain forms of pneumonia
• Other waterborne illnesses

For this reason, maintaining an adequate sanitizer residual is essential for safe hot tub operation.

What Affects Sanitizer Demand?

The amount of sanitizer required each week depends on several factors:

Bather Load

The more people using the spa, the more contaminants are introduced into the water and the more sanitizer is consumed.

Length of Use

Longer soaking sessions result in greater sanitizer demand than shorter periods of use.

Contaminants Introduced into the Water

Every bather introduces contaminants into the spa, including:

• Dirt and debris
• Perspiration
• Body oils
• Cosmetics and makeup
• Hair products
• Skin care products and lotions
• Laundry detergent residue in swimwear
• Aromatherapy salts and oils
• Naturally occurring bacteria and microorganisms

Time Between Service Visits

As sanitizer levels decrease between maintenance visits, bacteria and microorganisms have a greater opportunity to grow and reproduce. This is particularly important in heavily used residential spas and vacation rental properties.

Maintaining an adequate sanitizer residual is one of the most important aspects of hot tub water care. Chlorine or bromine is continually being consumed by contaminants introduced into the water, including body oils, perspiration, cosmetics, lotions, hair products, environmental debris, and naturally occurring bacteria.

When sanitizer levels fall below recommended levels, microorganisms can begin reproducing more rapidly than the sanitizer can control them. Warm water temperatures, typically maintained between 100°F and 104°F (38°C to 40°C), create an ideal environment for bacterial growth, making proper sanitizer levels especially important in hot tubs.

Common causes of sanitizer depletion include:

• Heavy bather loads
• Rental guest turnover
• Extended periods between maintenance visits
• High levels of organic contamination
• Dirty or clogged filters
• Water balance issues
• Aging water with high dissolved solids levels

When sanitizer levels remain low for an extended period, bacteria, biofilm, and other microorganisms may begin establishing themselves within the water and plumbing system. As this microbial activity increases, chlorine demand also increases, often resulting in water that appears clear but has inadequate sanitization capacity.

How Does a Technician Determine Whether a Shock Treatment Is Needed?

During every maintenance visit, our technicians evaluate much more than simply the free chlorine reading.

They assess:

• Current sanitizer levels
• Water clarity
• Water odor
• pH and alkalinity balance
• Bather load history
• Filter condition
• Presence of foam or residue
• Organic contamination indicators
• Overall chlorine demand

A technician may recommend shock treatment when they observe:

• Little or no measurable sanitizer residual
• Water discoloration
• Persistent cloudiness
• Unusual odors
• Rapid sanitizer depletion between visits
• Evidence of excessive organic contamination
• Signs that bacteria or other microorganisms may be gaining a foothold in the water

Shock treatment is intended to rapidly restore sanitation capacity and break down contaminants before they become a larger water quality issue.

Standard Shock Treatment (Approximately 8 ppm)

Most water quality concerns can be corrected by raising chlorine levels to approximately 8 ppm.

At this level, the chlorine concentration is elevated enough to:

• Oxidize organic contaminants
• Destroy many common bacteria
• Break down body oils and waste products
• Eliminate chloramines and combined chlorine compounds
• Restore free chlorine availability

This level of treatment is commonly used when sanitizer levels have become depleted due to normal usage patterns or increased bather loads.

After treatment, guests may be asked to avoid using the spa until chlorine levels return to normal operating ranges.

Enhanced Shock Treatment (Approximately 10 ppm)

If technicians identify evidence that microbial activity has become more established, a stronger oxidation treatment may be necessary.

A shock treatment of approximately 10 ppm may be used when:

• The previous shock treatment was insufficient
• Chlorine demand remains unusually high
• Water quality continues to deteriorate
• Microscopic contamination is suspected
• Rental guest turnover has been exceptionally heavy

Following an enhanced shock treatment, additional monitoring and follow-up testing may be recommended before returning the spa to normal operation.

Why Might I See a Scum Line After Shocking?

One of the most common questions homeowners have after a shock treatment is why a ring or residue suddenly appears around the waterline.

This is actually a positive sign.

When chlorine levels are elevated, the sanitizer begins aggressively oxidizing and breaking apart contaminants that were previously dissolved or suspended in the water.

These contaminants may include:

• Body oils
• Lotions
• Makeup residues
• Sunscreens
• Hair products
• Biofilm fragments
• Organic waste
• Dead microorganisms

As these materials are oxidized, they often become larger particles that are no longer able to remain dissolved in the water. They migrate to the waterline, shell surfaces, and filter where they can be physically removed.

This may appear as:

• A greasy ring around the waterline
• Brown, gray, or tan residue
• Increased debris in the filter
• Small floating particles
• Temporary cloudiness

While it may seem concerning, the appearance of a scum line after shocking often indicates that contaminants are being successfully removed from the water.

For this reason, technicians may recommend:

• Wiping down the shell surface
• Cleaning the waterline
• Cleaning or replacing the filter
• Additional circulation time

When Does a Shock Treatment Become a Water Change?

A shock treatment is considered successful when sanitizer demand returns to normal and water quality stabilizes.

However, repeated sanitizer depletion can sometimes indicate more significant contamination within the spa.

If technicians observe:

• Consistently depleted sanitizer levels
• Repeated bacterial growth concerns
• Ongoing water quality issues
• Excessive dissolved solids
• Biofilm contamination
• High cyanuric acid levels
• Excessive chlorine consumption

a water change may be recommended.

At some point, water becomes exhausted and can no longer be maintained effectively through chemical treatment alone.

Super-Chlorination (Approximately 20 ppm)

In rare situations, contamination may persist despite multiple shock treatments.

A super-chlorination treatment of approximately 20 ppm may be required when significant microbial contamination is suspected.

This treatment is designed to:

• Destroy chlorine-resistant organisms
• Penetrate developing biofilm
• Reset sanitizer demand
• Restore sanitation capability

Because super-chlorination places additional stress on spa equipment, covers, pillows, and other components, it is only used when necessary.

Technicians will typically post a notice that the spa is unsafe for use until sanitizer levels have returned to acceptable operating ranges.

When Is Draining and Refilling the Spa Necessary?

If contamination cannot be controlled through shock treatment or super-chlorination, the most effective solution is often a complete water replacement.

Technicians may recommend:

• Draining the spa
• Performing a plumbing purge
• Cleaning the shell
• Installing a clean filter
• Refilling with fresh water
• Rebalancing the water chemistry

This process removes contaminated water, dissolved solids, biofilm fragments, excess cyanuric acid, and any residual contaminants that may be interfering with proper sanitization.

At Snow Valley Spas, our goal is to address water quality issues early before they require aggressive corrective action. Maintaining proper sanitizer levels between visits remains the most effective way to prevent bacterial growth, protect equipment, and ensure a safe and enjoyable soaking experience.

If your hot tub will be unused for an extended period, please notify Snow Valley Spas whenever possible.

Vacations, seasonal closures, and vacancies can significantly alter sanitizer demand.

When informed in advance, we can:

• Adjust chlorine dispenser settings
• Modify sanitizer levels
• Schedule maintenance accordingly
• Prevent excessive sanitizer buildup
• Reduce unnecessary chemical consumption

For vacation rental properties, providing guest schedules is especially helpful and allows us to better customize water care.

Communication is one of the most important tools in maintaining healthy and balanced spa water.