29+ Pool Shock Calculator. Use our pool shock calculator for accurate dosing and perfect water balance every time. Pool shock keeps your pool free of algae and bacteria, and keeps your water from smelling.

Simply input your pool’s measurements and current and desired chlorine levels, and our calculator will quickly calculate. We researched the best options for your backyard fun. Calculate the exact amount of pool shock needed based on volume, cya, fc level, and type of shock (normal or algae).








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