What chemicals do you need for above ground pool?
What chemicals do you need for above ground pool? Pool Chemicals 101 For Above Ground PoolsChlorine. We all know this is the most important chemical for pool care. … Calcium. Calcium chloride is a hardener, which helps reduce stains- especially on vinyl above-ground pools. … Cyanuric Acid. This chemical helps keep chlorine stable. … Algaecide. … Alkaline. … Shock. … In Review.