Removes buildup of calcium, rust, and hard water deposits in tank. Prolongs life of toilet components. Safe for septic Systems. Pour 8 oz (1/2 bottle) into the tank, for best results leave in tank overnight, use as often as needed.
Instant Power 16 Oz. Toilet Tank Cleaner
Instant Power 16 Oz. Toilet Tank CleanerSKU 401801
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