Best of Bob Lowry #9 Cal Hypo Leaves a Black Stain

Ever put a bag of Cal Hypo in a pool and instantly a big black stain appears? If not it may eventually happen to you and Bob Lowry explains this frightening phenomenon. Leslie’s Pro: Pool Service Pro, open a Wholesale account today! Customer referrals, free cleaner repairs, free water testing, open 7-days a week. It is fast and easy to become a Leslie’s Preferred Pool Care Provider. https://lesliespool.com/commercial-services.html/?utm_medium=referral&utm_source=spll&utm_c...