HTH Granulated Alkalinity Up - 5 lb.

Salemi's Ace Hardware Verified independent store

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IN-STORE PICKUP ONLY Low alkalinity levels in swimming pool water can cause undue damage to pool surfaces and equipment. HTH Alkalinity Up not only raises the total alkalinity in y our pool water but it also helps keep the pH levels from fluctuating. This helps prolong the life of pool surfaces and equipment like filter systems and ensures healthy comfortable swimming water by protecting against skin and eye irritation. Show more