
DPD Reactive #9 (sulfuric acid, Alkalinity)
DPD Reagent #9 – Alkalinity Titrant (R0009C1 – 60 mL)
DPD Reagent #9 contains sulfuric acid and is used as a titrant to measure the total alkalinity of water. Used after DPD Reagents #7 and #8 in Taylor test kits, it allows for accurate determination of alkalinity levels, essential for stabilizing the pH of your pool or spa. 60 mL bottle.