Calcium Hardness Increaser

EcoOne® Calcium Hardness Increaser is an eco-friendly granular powder that increases calcium hardness in spas, preventing corrosion and staining, and maintaining proper chlorine balance.

• The description claims that the product prevents corrosion, etching, and staining of spas due to low hardness levels.
• The description claims that it helps maintain proper chlorine balance and reduces water acidity.
• The description claims that it protects spa equipment without harsh irritants like chlorine and phosphates.