Support answer · Calcium
When should I not add calcium hardness increaser, and what happens if calcium levels are too high or low?
What to know.
Do not add calcium increaser if:
- Calcium levels are above 400 ppm
- Your pool already has scale buildup pH or alkalinity levels are unbalanced
Low calcium can cause:
- Surface etching and pitting
- Corrosion of metal parts
- Damage to pumps and heaters
- Poor water balance
High calcium levels can lead to:
- Cloudy water
- Scale buildup
- Reduced water circulation
- Equipment and surface damage
Source: Maytronics support. Rewritten for clarity with the same steps; the videos and illustrations are Maytronics' own.
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