The Scuba II measures the most important spa water parameters, including free chlorine, total chlorine, bromine, pH, alkalinity-m and cyanuric acid.
Scuba II comes in a robust box with Reagent tablets 20 each, DPD No.1 & Phenol Red Photometer 10 each, DPD No.3, CyA-Test & Alkalinity-M Photometer, 2 Batteries (AAA), stirring rod and instructions