rx clear algaecide 60 plus | non-foaming formula for above or in-ground swimming pools | 60 percent poly-algaecide | keeping algae in suspension | one quart bottles | 1 pack rx clear <p>the rx clear coats walls of the pool, keeping algae in suspension. surfactant splits open algae cells, helping to destroy them. the rx clear swimming pool algaecide works best in warm waters -- helping the product not stain the surfaces. use 4-6 oz per 10,000 gallons. to avoid foaming, do not exceed beyond the recommended dosages.</p>