
DPD Reagent #10 (Calcium Buffer, Hardness)
DPD Reagent #10 – Calcium Hardness Test Tablet (R0010C1 – 60 mL)
DPD Reagent #10 is a buffer used for testing calcium hardness in pool and spa water. It prepares the sample for an accurate calcium measurement, in combination with DPD Reagents #11 and #12. Compatible with Taylor test kits. 60 mL size ideal for regular use.