Taylor R-0012 Calcium Hardness Reagent 12 Refill 16 oz Pint for Pool Spa Test Kits

The Taylor R-0012 is a pint-sized 16 oz refill bottle of Reagent #12 for calcium hardness testing, designed as a replacement for compatible Taylor Technologies test kits. The bulk pint size is ideal for high-frequency testers, pool service professionals, and commercial operations that require a long-lasting supply for consistent, accurate calcium hardness monitoring.