R-0004-C pH Indicator Solution, Phenol Red

R 0004 pH Indicator Reagent R 0004 pH Indicator Reagent is used to accurately test the pH level of pool and spa water as part of standard colorimetric test kits. When added to a water sample, it produces a color change that indicates the pH level when compared to a test block color chart. The 60 mL bottle provides ample supply for repeated testing and features a dropper style cap for controlled dispensing. Features Measures pH levels in pool and spa water Used with standard test blocks for color comparison 60 mL bottle for extended use Dropper cap for precise and easy application Suitable for residential and professional water testing