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Two gallons of the strongest hydrochloric acid on the market. This is used to lower the Ph in the pool and lower the Alkalinity. It is also great for getting rid of stain that are on the surface of the pool walls.
Two gallons of the strongest hydrochloric acid on the market. This is used to lower the Ph in the pool and lower the Alkalinity. It is also great for getting rid of stain that are on the surface of the pool walls.