Spa Choice 1.5 lb Brominating Bromine Tablets For Spas, Hot Tubs & Portable Spas-4 Pack Dissolves Slowly & Evenly Odorless and Less Irritating Than Chlorine Spa Bromine is Pre-Stabilized Fits Most Spa Feeders and Floaters Size: 6 lbs - You Will Receive Four 1.5 lb Bottles