250 Calcium Hardness Tablets - foil

These precision-formulated reagents are created for accurately measuring calcium hardness levels in water and are ideal for use with a manual shaker bottle.

The tablets provide a reliable way to determine calcium ion concentrations, helping to maintain proper water balance in pools, hot tubs, and other water systems.

Each tablet is sealed in a foil blister pack to preserve quality and ensure dependable, consistent results every time you test.