8-Way Pro Pool Water Test Kit allows you to test for chlorine/bromine, pH, alkalinity, acid demand, calcium hardness, chlorine conditioner and base demand in pool water.
* Easy to read color comparator
* Complete instructions and a convenient plastic storage case included
Download instructions here: https://www.valterra.com/downloads/download-info/8-way-oto-professional-test-kit-instructions-english-b7770/