“9-Way Test Kit for Free Chlorine, Total Chlorine, Bromine, pH (acid & base demand), Alkalinity, Hardness, CYA (DPD), 4-pack” has been added to your cart. View cart
Drop Test, Chlorine (Bleach), Iodometric, 1 drop = 10 or 100 ppm; 1 drop = 0.05 or 0.5%