2oz. Spa Concentrate

This spa enzyme treatment is super-concentrated and designed to be added twice a month to your spa (up to 500 gallons).

After you purchased your spa did you feel like you needed to take chemistry 101? Test this, test that, add this and that, but don’t add this with that. At the end of the day some people begin to wonder if they made the right decision when they bought their new spa. We know how you feel, so we have spent almost 20 years finding a better way. This has led us to a unique blend of enzymes we call Waters Choice Enzymes.


When starting Waters Choice for the first time it is important to start with the 12 Oz. Pure Enzymes for Spas. This will kick start the process and we have found the startup to be easier when done this way. After the first month you can switch to the concentrate and add one capful twice a month. It is common for your water to go cloudy the first time you start our enzyme system. This is normal.
Unlike chemicals, enzymes take time to establish their environment. During this time, it is okay to use the spa, make sure you add Sanitizer. Do not overdose with Sanitizer trying to clear the water, this will cause the startup process to take longer.
Tip: For 2-person hot tubs you will still need to use the full enzyme dosage because the bathers per gallons of water doubles.
Only Drain and Refill Your Spa Once a Year

Traditional chemicals require you to drain and refill 3-4 times a year.

What Do I Need?
Pure Enzymes for spas
2 oz. Spa Concentrate
pH Increaser
pH Decreaser
Test Strips

Starter for the enzymes
Does most of the work
Raises pH
Lowers pH
Assists in keeping your water clean
Know where your levels are

Benefits of Using Enzymes in Your Spa

Easy Startup Instructions

  1. Start with clean water that is less than 60 days old or purge with Clean & Drain and refill with clean water.
  2. Turn spa on and set filtration to a minimum of 8 hours/day, (first 6 weeks).
  3. Set heat to desired temperature.
  4. Check pH and alkalinity and adjust if needed.
  5. Wait for spa to warm up.
  6. When spa is up to temperature, check pH and alkalinity again and adjust if needed. (Check frequently for the first month, until stabilized, then check once a week).
  7. Add one bottle of Waters Choice 12 oz. Pure Enzymes for Spas. This is the treatment for the first month only.
  8. Add Waters Choice Sanitizer (Follow recommended label rates).
  9. Clean filters once a week for the first 6 weeks! After that, clean every other week.
  10. After the first month, switch to the 2 oz. blue Spa Treatment bottle, (enzyme concentrate) and ADD 1 CAPFUL EVERY OTHER WEEK from then on – even after a drain and refill. That’s it! This enzyme treatment is doing most of the work keeping your spa clean. Make sure to add it consistently per directions!
  11. Use your new spa.
  12. Note: Most spas will develop cloudy water during the first month. This is normal. Please let it run its course by following the above instructions. It will clear up between 4 and 6 weeks.
  13. If, at any time, you have questions regarding your water care, please contact us at support@waterschoice.com

Full Startup Instructions

Welcome to Waters Choice. Thank you for choosing our water treatment system. You will now be enjoying your spa in a healthy, clean environment without all the hassle! These instructions are written to address the day to day use of Waters Choice enzymes and the potential challenges.

Starting up.

When starting Waters Choice Spa Treatment 2 oz. enzyme concentrate, purge and drain your existing water if it is more than 60 days old or cloudy. Otherwise, you can use your existing water regardless of the chemical system it was on previously. If your spa is running on a Salt Generator, you can turn your generator to the lowest setting.

For the first 6 weeks – CLEAN YOUR FILTERS WEEKLY with a pressure nozzle on your garden hose.

Test your pH and Alkalinity using a standard test strip, balance as needed. Also, make sure your Calcium Hardness is at your spa manufacturers recommended level, (we prefer the calcium level lower than normal). Now add one 12 oz. bottle of Waters Choice PURE ENZYMES for Spas. After the first month, add one capful of Waters Choice Spa Treatment 2oz Enzyme Concentrate, (the little blue bottle), every other week, (yes, we know it appears to be a tiny amount). You will NOT need to use the 12-oz. bottle again, even when you drain your spa. Along with the enzymes follow recommended label rates of Waters Choice Sanitizer.

Frequently Asked Questions:

My spa went cloudy after we started on Waters Choice.

It’s common for spas to go cloudy when starting with Waters Choice. This is normal and can be caused by several issues but most commonly it is from organics in the spa plumbing being loosened up into your water. We recommend adding one scoop of Sanitizer 2-3 times per week, depending on use, when this condition occurs to ensure there are no harmful bacteria present during the startup process. It will typically clear up in 3-4 weeks when the Waters Choice system is set up in your spa.


My Water has an odor.

As the enzymes break down organics carbon dioxide is created and gets trapped between the cover and water which can give your spa a musty smell. Most of the time this will go away after the cover has been opened for a minute or two. If the smell sticks around longer than that, check the filter by giving it a sniff. If you smell the odor in the filter soak in a solution of bleach water, (about 1 cup of bleach per filter in the water it takes to cover the filter), then rinse. Also, check that you don’t have the smell in the pillows and cover. If you do, rinse with the same bleach and water solution.


I have a green tint in my water.

Most of the time water that is clear with a tint of green is from algae. There are a couple of ways to take care of this. 1. Check your water for phosphates, they are a food source for algae and could be the cause of the problem. 2. Increase the amount of chlorine you are adding.


I have small particles floating in my water.

This is also common. As the Waters Choice is working in your spa it will begin to break down residues that are in your pipes. This typically only lasts a few days. Clean the filters if you see this take place. Also, make sure all the jets are open to insure water flow during filter cycles.


My cover is slimy.

Enzymes are breaking down organics that are on the surface. When this happens wipe your cover down with a mild water and bleach solution.