No Mor Muriatic Acid® is the only alternative to liquid pool acid. No Mor Muriatic Acid® is a revolutionary new water balancer that offers all the benefits of liquid acid but none of the draw backs. One 2.5 lb bottle is equivalent to one gallon. Use: Water balancer; lower pH and Alkalinity Compatible with: All types of swimming pools Chemical Type: Granular Available Packaging: 2.5 lb. bottle Dosage Rate: One 2.5 lb. is equivalent to one gallon of liquid acid