Robelle 1 qt. Pool Water Brightener and Clarifier (4-Pack)

Designed to coagulate dirt, oils and other microscopic particles, this 1 qt. Pool Water Brightener and Clarifier provides you with crisp clear pool water all season long. Each clarifier provides professional results and improves the function of sand and cartridge filters. Not recommended for diatomaceous earth (DE) pool filters.Model 2420-04Improves filter efficiencyHelps reduce chlorine or bromine usageEasy to use and effectiveClears pool water