SpaGuard’s Calcium Firmness Increaser allows spa owners to increase their calcium firmness with this simple to utilize granular formula, which will boost your calcium solidity to above the risk zone, where low levels cause extensive corrosion of plumbing, jets, components, and tub surfaces. Calcium Solidity Increaser assists raise the calcium level steadily so you don’t get excessive calcium and start establishing scale build-up and cloudy water. The optimum calcium solidity level is 200-400 ppm, while anything listed below 100 ppm will trigger corrosion.
- Avoids deterioration of equipment
- Avoids destruction of health club surface areas
- 1 tablespoon. per 100 gallons increases calcium solidity ~ 25 ppm