Calcium increaser

Calcium Increaser (Hardness Increaser)

Keep your pool surfaces protected and your water perfectly balanced with True Blue's Calcium Increaser. This essential pool chemical safely raises calcium hardness levels to prevent corrosion, etching, and damage to pool finishes and equipment. Ideal for both fibreglass and concrete pools, it’s an easy fix for soft water that’s doing more harm than good.

✅ Prevents surface pitting and scaling
✅ Suitable for all pool types
✅ Easy to use – just measure and pour
✅ 100% pure formulation – no fillers

Perfect for maintaining crystal-clear water and long-lasting pool health.