Trichlor—or “Trichloro-S-Triazinetrione” is a type of chlorine that's commonly used in swimming pools. ... The tablets are slowly dissolved and drip-fed using an automatic chlorinator, a floating dispenser or sometimes the pool skimmer.
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Each chlorine tablet weighs 0.5 oz
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1" tablets
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Used to maintain a steady flow of chlorine to your pool or spa