Softswim Filter Cleaner - Quart SoftSwim Filter Cleaner - 1 Quart SoftSwim Filter Cleaner is t he most effective product available to prevent cloudy water and allow filters to operate at top performance Uniquely formulated to work with any filter type and helps to remove particles specific to the SoftSwim program Will improve pool circulation and water clarity by removing dirt, oils and deposits that clog filters Each SoftSwim product is formulated to work specifically with the biguanide chemistry of the SoftSwim program