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How to Keep Your Hot Tub Water Clean
A Comprehensive Guide to Quality Hot Tub Maintenance
Splash! Spray! Spritz! Ah, water. Humans are composed of approximately 60% water and we need it to stay alive. The average hot tub is filled with 200 – 700 gallons of water and it needs to be clean, clear and sparkling to provide life-giving benefits. Creating and maintaining healthy water balance and chemistry is attainable once you know the essentials.
It is vital to know the best water care options for your hot tub. Educating yourself is the key to develop a cache of tools that alleviate any water related challenges. You will build confidence in your routine as you achieve and maintain proper water chemistry. Keeping your hot tub ready to serve you and your family is the goal. Sparkling, clean, clear water will propel you past the goal line. Let’s plunge into the knowledge.
4 Best Tools & Resources to Test Your Hot Tub Water
1. Hot Tub Water Test Kit
Do-it-yourself water testing kits are simple to use and provide an on-the-spot evaluation. Water chemistry kits are available online or from spa and pool supply retailers. They include a plastic device used to gather a water sample, and small bottles of chemicals designed to test your water. Most kits provide the ability to test your water’s chlorine levels and the pH (alkalinity / acidity) of your water. There are easy to follow directions. Start by filling one or two plastic tubes with spa water. A few drops of chemical added to the water activate a response that changes the color of the water. For example, chlorine may be shown in shades of yellow, and acidity / alkalinity in varied shades of red or green. The plastic tubes have a range of numbers and colors on them to match the color of the water sample. Use this information and refer to the directions to determine a course of action. You may need to add a treatment chemical or you may not. Remember, it is important to replace your chemicals if they reach an expiration date.
2. Hot Tub Water Quality Test Strips
This is an option that is quick, easy to use and understand. The strips are designed to activate once you dip them in your hot tub water. Most will give you an indication of chlorine, water harness, alkalinity, and even calcium. Directions are easy to follow. Use the results to determine a course of action to achieve optimal water quality.
3. Local Hot Tub Retailer
Your local Caldera® Spas retailer can help you with any issue related to your hot tub or pool. They can provide you with a bottle to bring in a sample for spa water testing. Do this as often as needed. They are happy to serve. Their equipment is sensitive and provides a thorough evaluation of the water. A written form of test results will usually be provided. They can direct you to the water care items you need to correct any water imbalances you may have. Be mindful that all recommendations may not be required. The more educated you are about your water chemistry the more likely you are to purchase only the essential items you need.
4. Hot Tub Service Professional
Whether it comes down to know how or simply time availability, you always have the option to hire a professional to manage your hot tub water chemistry. Sometimes it is just the most practical option. Your service provider should be reliable, fair about their fees, and arrive for their visits on a consistent basis. The last thing you want to do is spend more time managing a service provider than you would managing your own hot tub water chemistry. A great service provider can be a welcome member of the team that takes care of your home. Do your research and you’ll be happy with your decision.
Find a Hot Tub Water Care Routine that Works for You
It is easy to be drawn into the idea that your hot tub water needs to be perfect. Well, there’s a reason why all the measuring devices include a range of acceptability. There are many things that affect the quality of your hot tub water including but not limited to heat, sun, chemicals and how many people use the hot tub (aka bather load). Rest assured variations are guaranteed and adjustments are always within reach. Use your favorite method to determine the healthy ranges for your water, and then relax. Your confidence will build as you develop a routine that works for you.
Best Caldera Spas Hot Tub Water Treatment Options
It is important to learn about products that help you create the optimal hot tub water treatment experience for you, your family and friends. The following are a few essential items that will make your life easier and your hot tub water clean, clear and sparkling;
How to Maintain Your Hot Tub Filter System
Check the filter regularly for debris, dirt, oils and sludge. Think of the grates in your filter as the gills on a fish. They need to be clean to keep the fish alive. Remove and rinse the filter using a hose with a nozzle to get it clean. Soak the filter in a bucket with an appropriate filter cleaning solution prior to rinsing it if there are excessive impurities. Any rips or tears in the filter fibers is an indication that replacement is required. Replacing your filter is an easy fix that will bring back your hot tub’s ability to play its part in creating sparkling, clean, clear water.
Common Hot Tub Sanitizers Chart
Sanitizer Type:
HOW IT WORKS
Most Popular:
Chlorine
| • Cuts through the cell walls of a microorganism and destroys the internal enzymes, proteins & processes. |
| • Keep hot tub chlorine levels between 1.0 – 3.0 parts per million (PPM) to maintain healthy hot tub water. |
| • Higher chlorine levels will cause red eyes and “Swimmers itch.” |
| • Warm or hot water temperatures rapidly deplete chlorine. |
Popular Alternate:
Bromine
| • Bromine can be used as an alternative to Chlorine. |
| • Bromine withstands the depleting effects of warm or hot temperatures better than chlorine. |
| • Slightly more expensive than Chlorine. |
| • Less harsh to skin and clothing (which may be more cost effective over time!). |
| • Using bromine adds no cyanuric acid or calcium to spa water. |
Best Boost:
Super-Shock
| • Gives the hot tub water a boost of sanitizer when needed. |
| • Add to regular maintenance routine, or after everyone is done enjoying the hot tub. |
| • Super-shock products can reactivate sanitizers to perform at optimal levels. |
Essential Hot Tub Water Care Products
pH Up and pH Down. The pH balance of a liquid refers to the acid / alkaline balance. The pH scale runs from 1 to 14, with 7.0 being neutral. Any measure below 7.0 is considered acidic, which can cause deterioration of the fittings and surfaces of your hot tub. Any measure above 7.0 is considered alkaline. The optimal pH for hot tub water is 7.4, which happens to be the same pH level as the human eye.
Defoamer. A defoamer eliminates foaming caused by soap, shampoo, cleaners and other residues. While it is recommended that you shower before going in a hot tub, it isn’t always practiced. It can also be used to manage foam caused by soft water.
Conditioners and stabilizers. Water harshness can be lessened by using water conditioners. For example, use Vanishing Act which removes calcium buildup for softer-feeling water that is silkier on your skin. It helps protect your spa from the damaging effects of hard water. Stabilizers help keep water chemicals balanced.
Chlorine-free alternatives. An option for virtually chlorine-free water care combines the CD Ozone System and Monarch Silver Cartridges. Enzyme based sanitizers are also a chlorine-free option.
Stain and Scale Defense. You want crystal clear water and you want your hot tub’s surface to look its best too. Stain and Scale Defense prevents calcium build up on spa surfaces and controls stain and scale formation.
Calcium Hardness Increaser. Extremely soft water can corrode the shiny and soft surfaces of your hot tub. Calcium Hardness Increaser raises calcium levels in spa water to protect against this type of soft water related damage.
Quick Troubleshooting for Common Hot Tub Water Problems
Spa Water Problem:
Hot Tub Water Quality Issues
Cloudy Water
| • Too Much Calcium – Use a test strip to check for high calcium levels. Source water that exceeds 400 parts per million od calcium, will cause cloudy hot tub water. |
| • Excessive Minerals Too much iron & copper can also cause cloudy spa water. |
Foamy Water
| • Foamy bubbles It can be caused by impurities in the water, and water that is too soft (too little calcium). |
| • Note that water hardness/softness levels differ across different regions. |
| • Water that is too soft (under 25-50 ppm) can cause corrosion to the shiny and soft hot tub surfaces. |
Smelly Water
| • Spa water stinks Smells can be produced due to multiple factors. Chloramines are typically the culprit of “the chlorine smell” emanating from your hot tub. |
| • Follow the steps to fix the water before performing a drain and refill. Removing the smell could be as simple as adding shock. |
Spa Water Problem:
Fixes for Hot Tub Water Quality Issues
Cloudy Water
| • Lower the Calcium Empty spa water and refill using a filtering device that removes minerals and other compounds. |
| • Calcium-lowering products are also available to use. That may require an additional clarifying agent. |
Foamy Water
| • Fix Soft Water Add a calcium hardness increaser. Follow directions on the product. |
| • Address the issue promptly to avoid further problems. |
Smelly Water
| • Fix smelly water Super shock the water. If this fixes the water, you likely have excessive chloramine levels due to your water being out of balance. |
Know When to Drain and Refill Your Hot Tub Water
Depending on usage and conditions you will likely be draining and refilling your hot tub every 3 to 4 months or longer. Use the measures of water quality to determine when and if your hot tub needs to be drained. If you experience extreme difficulty in maintaining proper ranges it may be time to drain, refill and reset. Other circumstances like the drought conditions in your state or community may limit your ability to drain and refill. But with today’s advanced hot tub technologies, excellent water treatment options, and a bit of dedicated attention your water will stay in optimal condition. Any time you drain your hot tub use this time to clean and protect the surface of your hot tub’s interior and exterior surfaces according to manufacturer’s recommendations. Your hot tub lid deserves some care and attention too.
This helpful hot tub maintenance guide will help ensure your hot tub is your sanctuary for improved health and wellbeing. The more you love your hot tub, the more you’ll use it!
