Support answer · Calcium
How do I know if my pool needs calcium hardness increaser, and when should I add it?
What to know.
Use a pool water test kit regularly to check calcium hardness levels.
Add calcium hardness increaser when:
- Calcium levels test below 200 ppm
- After draining and refilling the pool
- During routine water balancing
- In areas with naturally soft water
Source: Maytronics support. Rewritten for clarity with the same steps; the videos and illustrations are Maytronics' own.
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