Enzymes Highly Effective. Powerful. Affordable. Waters Choice Enzymes come in an easy to use monthly application or a weekly concentrated application. It's Time To Change The Way We Take Care of Pools We believe you should spend more time enjoying your pool and less time maintaining it. Pure Enzymes for Pools -works for in-ground and above-ground pools -is a simple, once a month application -works with all pool systems, including salt water -gives you crystal clear water without the chlorine smell -help protect you and your family by reducing the use of harmful chemicals How to Use Start with clean/clear water. Enzymes will not clear up dirty or green water. Add 2 oz. per 10k gallons 2 weeks in a row to start. Balance pH (7.2 - 7.8) & alkalinity (80 - 120) and maintain .5 -1 ppm chlorine. After the first 2 weeks, add .5 oz. per 10k gallons every week until ready to close. To close, add 2 oz. per 10k gallons 2 weeks in a row, then close. No other closing chemicals needed. Waters Choice 32oz Pool Enzyme Concentrate Waters Choice 16 oz Pool Enzyme Concentrate Waters Choice Enzymes Pure Enzymes for Pool Non-Toxic Monthly Natural Clarifier Add to Cart Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 6 5.0 out of 5 stars 6 4.6 out of 5 stars 20 Price $161.45$161.45 $111.45$111.45 $36.45$36.45 Description The 32 oz. Pool Enzyme Concentrate is a weekly pool treatment that treats a 20k gallon pool for 1 season. The 16 oz. Pool Enzyme Concentrate is a weekly pool treatment that treats a 10k gallon pool for 1 season. Pure Enzymes for Pools is a monthly pool treatment for up to 25k gallons. Monthly Application ✓ ✓ no data Weekly Application no data no data ✓ Increases Filter Efficiency ✓ ✓ ✓ Reduces Chlorine Usage ✓ ✓ ✓ Reduces Waterline Stains ✓ ✓ ✓ Prevents Scum and Odors ✓ ✓ ✓ Why Enzymes? Rid Your Water of Non-Living Organics Enzymes treat pool water filled with organics like sunscreen, sweat, urine, and debris from plants and trees. These organics puts a high demand on chlorine, which means you must increasingly use more. Healthier Pool Water Waters Choice Pool Enzymes will break down the organics in your water, freeing up the chlorine to do what it does best. This allows you to use less chlorine which is so much better for you and your pool. Fast Water Recovery Enzymes can withstand large bather loads and restore water clarity quickly. They are all natural and safe for your eyes, hair, skin, pets and the environment. Equipment Will Last Longer Our enzymes are scientifically formulated to combat organics in your pool water without the harsh chemicals, eliminating scum rings and enabling filters, equipment and swim suits to last longer. The Easiest Way To Close Your Pool is With Waters Choice Waters Choice enzymes enable you to cut out closing chemicals. When closing your pool: When ready to close your pool, make sure water is clean & clear, add 2 oz. per 10k gallons 2 weeks in a row, then close & cover. Your water will be crystal clear in the spring. That's it! No other closing chemicals are needed. Waters Choice. Saving you time and money.