Remove trace minerals and keep you pool clear with the Aquapill Swimming Pool Clarifier Plus. It’s easy to use and lasts up to 30 days. Improves filter efficiency and eliminates cloudy water. About Robelle Known as a leader in the pool industry, Robelle has been a top supplier of products, chemicals, and accessories since 1973. Their products reflect the high quality standards and practices the company subscribes to and is dedicated to offering customers the best possible products available for keeping pools clean and maintained properly. Robelle has been supplying swimming pool chemicals and accessories to regional and national chains, as well as New England pool specialty dealers for over four decades and continues to grow a dedicated clientele of satisfied pool owners. Restores, polishes, and maintains water clarity. Removes trace metals and fine suspended particles. Simply poke a hole and drop the capsule into you pool. Each pill lasts up to 30 days. Choose from available pack options.