Bio-Dex Sunshine Sparkle Brite is an effective and economical way to eliminate cloudy water in your pool and spa. With this clarifier, you can also expect improved filtration. Sunshine Sparkle Brite is sure to give you the clear, polished water you desire ! Other reasons you should make this superb product part of your pool maintenance repertoire .. : Environmentally friendly. Non-toxic. Non-hazardous. Safe to use as frequently as necessary.