HTH Spa Care Filter Cleaner Liquid for Spas & Hot Tubs, Deep Cleans & Extends Filter Life, 16oz

When used as directed, this HTH® Spa Filter Cleaner helps your filtration system work more effectively, which not only helps keep the water looking clean and clear, but also helps the filter last longer. HTH® Spa Filter Cleaner is great for all spas, including bromine, chlorine and biguanide. For best results, use HTH® Spa Filter Cleaner as part of your regular HTH® Spa care routine, or every 90 days when you change out your spa water.

How To Use HTH® Spa Filter Cleaner Remove cartridge(s) from your spa filter and hose off with water to remove loose debris. Fill a clean plastic container, bucket, pail or garbage can with 4 gallons of water. Empty the contents of the HTH® Filter Cleaner bottle into the water to create the cleaning solution. Place the cartridge(s) upright in the solution and soak for 3 to 6 hours or overnight. Remove cartridges(s) from the solution, hose off and replace in your spa filter.