We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Main Feature
TH3 is the titrant used in the reaction in the total hardness drop test. Add a couple of drops of buffer, then the indicator and add this drop by drop until the colour changes from red to blue. Hardness Reagent Chemical Test Hardness Reagent TH3 65ml