D-Chlor has an active Ingredient of sodium sulfite (Na2SO3) 92.3% Dry Mixture. The tablets are 2 5/8” in diameter. They're made to remove the presence of chlorine or oxidizers. They work with the 100, 200, A-200 and 1001 tablet feeders.
They must be stored away from chlorination tablets, granules, or pellets.
Used for dechlorinating wastewater effluent, cooling tower water, or municipal swimming pools, water features and tap water.