SeaKlear® 90181SKR 1 gal Bottle Rescue Klear 4 per Case. Rescue Klear reduces scum lines and clears cloudy water. It blends powerful enzymes and a clarifier to quickly and effectively clean up oils from bathers and vandalism, as well as dead algae. Suntan oils and lotions can cause buildup on the waterline or in the filter media. Rescue Klear tackles the problem using enzymes to degrade oils, lotions and more. It also uses our highly effective clarifying technology to clear cloudy water and allow the filter to remove pollutants.