Glass pH Checker 25mm Default:Default this brush pen set is

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Glass pH Checker 25mm Default:Default this brush pen set isIntroducing the Glass pH Checker 25mm, your ultimate tool for measuring the pH levels in aquariums and hydroponic systems. This precision glass pH monitor features a pH sensitive indicator solution that provides instant results, helping you maintain optimal water conditions for your aquatic plants and fish. When submerged, the indicator solution changes color to reflect the pH level, allowing for easy monitoring of CO2 concentrations in planted