Amazon.com : Pool Brand 3-Inch Swimming Pool Chlorine Tablets - 50 Pounds : Garden & Outdoor. Jumbo 3-Inch Chlorine Tablets. Pool Mate 3-Inch Chlorine Jumbo Tabs are one of the strongest chlorine tablets on the market today and they come individually . Important information. Ingredients : 90% stabilized chlorine and 99% active ingredients. Directions : FLOATER/CHLORINATOR: fill feeder with tablets and adjust . COMPARE TO BIOGUARD, SUN, GUARDEX and PACE. Chlorine tablets are one of the key chemicals to maintaining your pool water, and 3 inch chlorine . In The Swim 3 Inch Pool Chlorine Tablets 50 lbs. +. In The Swim Chlorine Pool Shock - 24 X 1 lb. bags. +. In The Swim Super Pool Algaecide - 1 Quart.