Support answer · Calcium

What should I do before adding calcium hardness increaser, and how often should I test calcium hardness?

From Maytronics support, updated 2026-08-11, rewritten for clarity.

The answer

What to know.

Before adding:

  • Test your pool water
  • Confirm calcium levels are low
  • Ensure pH and alkalinity are balanced

Follow product dosage instructions carefully.

Test your pool water regularly as part of routine maintenance, especially after adding fresh water or adjusting chemicals.

Maintain proper calcium levels long-term:

  • Test water regularly
  • Keep water chemistry balanced
  • Add calcium increaser only when needed
  • Follow recommended maintenance schedules

Source: Maytronics support. Rewritten for clarity with the same steps; the videos and illustrations are Maytronics' own.

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