
DPD Reagent #11 (Calcium indicator, Hardness)
DPD Reagent #11L – Calcium Hardness Indicator (R0011LC1 – 60 mL)
The DPD #11L reagent is a liquid indicator used to test the calcium hardness in pool and spa water. Used in combination with DPD reagents #10 and #12, it colors the sample to facilitate titration. This 60 mL bottle, compatible with Taylor kits, ensures an accurate reading of the calcium level.