20 Lbs 3 inch chlorine tablets . Tablets aren’t individually wrapped. to provide your swimming pool with long lasting sanitation and easy maintenance. Dosage: 1 per week. Pool Chemical Features: - 3" Chlorine Tablets- 8 oz.-No fillers or binders-99% Trichloros-trianzinetrione (Tri-Chlor) Active Ingredient-Densely compressed, and slow-dissolving-90% Available Chlorine. These 3 inch Tri-Chlor Jumbo Tabs fit perfectly in most chemical feeders to ensure proper and simple sanitation for your swimming pool. These Chlorine tabs are densely compacted and erode at a slow rate that provides constant chlorination, increased lifespan, and a better value. With 90% available chlorine, our Jumbo Tabs are among the strongest available on the market today. 3 inch Chlorine Tablets are designed with a built-in UV inhibitor that protects the chlorine in your pool against the harsh sun rays. The active inhibitor blocks the sun rays to ensure longer lasting sanitation in your swimming pool. These chlorine tablets dont contain fillers or binders in order to ensure effectiveness and sparkling clean pool water. Achieve clearer water with our 3 inch Jumbo Chlorine Tabs!