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Amazon.com : In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds : Patio, Lawn & Garden
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Amazon.com : Leslie's 3-Inch Jumbo Chlorine Tablets for Swimming Pools - Individually Wrapped Stabilized Sanitizer Tabs - 99% Trichloro-S-Trianzinetrione, 90% Available Chlorine - 35 Pounds : Patio, Lawn & Garden
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