Blue Devil 5 Way OTO Swimming Pool & Spa Water Test Kit | B7448

Stay on top of your water chemistry with the Blue Devil B7448 5-Way OTO Pool Test Kit. This all-in-one testing set lets you check chlorine/bromine concentrations, pH levels, alkalinity, and acid demand right at poolside. Color-matched comparators and step-by-step directions take the guesswork out of every reading, so you always know exactly what your water needs. Everything packs neatly into a hard plastic carrying case...