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Enjoy all your pool activities with the extraordinary PoolRx Blue/White Mineral Unit - 7.5-20K! This specially designed alloy cylinder is crammed full of a potent granular solution that dissolves entirely in water, offering 6 months of unprecedented protection from any algae growth. The minerals battle against the spread and development of algae, providing chlorine more time to do its job efficiently and adequately. What's even better? As these precious minerals cycle through your pool, they are immediately replenished for continuous use and maximum effectiveness!
Directions for Use:It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.