How to remove calcium deposits from swimming pool tiles

Written by mason howard
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How to remove calcium deposits from swimming pool tiles
Maintaining your pool includes keeping on top of calcium deposits. (Pool image by crossgolfing from

Calcium deposits on the surface of swimming pool tiles can result in an entire pool pockmarked with unsightly white stains. Calcium stains should be cleaned promptly, because over time, the calcium can penetrate the tile, making the stains much more difficult to remove. Use common, safe household ingredients to easily and effectively clean calcium stains and restore the appearance of your swimming pool.

Skill level:
Moderately Easy

Things you need

  • Razor blade
  • Small plastic tub
  • Baking soda
  • White vinegar
  • Towel

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  1. 1

    Use a razor blade to gently scrape off any thick, crusty deposits. Take care not to scratch the tile.

  2. 2

    Add baking soda to a small plastic container.

  3. 3

    Mix white vinegar with the baking soda until you create a thick paste.

  4. 4

    Apply a thick layer of the paste over each stain.

  5. 5

    Leave the paste to saturate the stain for 15 minutes.

  6. 6

    Rinse off the paste with water.

  7. 7

    Buff the treated areas dry with a clean towel.

  8. 8

    Repeat this process if any evidence of calcium remains.

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