What prevents the copper in Month Pool Algicide from staining the pool?
Month Pool Algicide is a specially formulated product containing a unique organo copper complex. This means that the copper ion has been complexed to stop if from coming out of solution and possibly causing a pool to stain. Lo-Chlor guarantees that it will not stain a pool providing that the pool water balance is within the APSP (NSPI) suggested levels for balanced water and Lo-Chlor Pool Algicide being used according to the stated directions.