1 Inch Pool Chlorine Tablets: Slow Dissolving, Long LastingContains powerful level of 90% available stabilized chlorine; 98.6% Trichloro-S-TriazinetrioneEach chlorine tablet weighs 0.5 oz.Tablets are slowest dissolving, longest lasting chlorine you can buySlow, steady release kills bacteria, prevents algae growthPerfect for floating chlorine feeders or any automatic chlorinator
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