BioGuard SoftSwim Filter Cleaner is the most effective product available to prevent cloudy water and allow filters to operate at peak performance. It is uniquely formulated to work with any filter type and helps to remove particles specific to the SoftSwim program. This product will improve pool circulation and water clarity by removing dirt, oils, and deposits that can clog filters. Each Soft Swim product is formulated to work specifically with the biguanide chemistry of the SoftSwim program.