Bio-Dex Alum - 5 lb.

Bio-Dex 5 lb Alum - aluminum sulfate Every pool owner knows how difficult it can be to maintain clear, sparkling water. Without proper treatment, it's a real frustrating problem. Bio-dex Alum is a flocculent which removes heavy metals and debris, restoring your cloudy pool to clear, sparkling, pristine condition. What greater incentive is there to add this clarifier to your pool treatment arsenal ?!