The new fast acting HTH Clear Defense is a multi functional product that will not only prevent algae from growing in pools but will remove the food source. In addition it prevents waterline buildup and cloudy water. This product is great for all swimming pools including vinyl lined and salt water systems. Use this 3 in 1 formula weekly for algae free pool fun. Enjoy crystal clear cannonball ready pool water all summer long! How to Use HTH Pool Care Clear Defense Simply apply 2 oz per 10000 gallons per week into a skimmer only. Let this concentrated formula remove phosphates from pool water. Powerful enzymes will prevent waterline build up. About HTH Pool Care HTH was developed with the pool owner in mind. We are proudly made in the USA. We know that maintaining your pool water can be a lot of work. That is why we are here every step of the way helping you clear the uncertainty from pool care. With economical, easy to use solutions HTH is designed to work hard so you are prepared to tackle whatever life throws in your pool. From balancing your water to treating green water we offer a full line of products to keep your pool water healthy and your swimmers happy.

HTH Pool Care Liquid Phosphate Remover 32 oz