crnalindaJune 7, 2014

Recently our swimming pool service guy advised us to have our 8-year-old (salt system, sand filter) pool acid washed. He drained it and acid washed it. He told us it would darken the pool a little. The pool is plastered, dark and medium gray bottom, which previously gave it a medium blue color when filled (due to sky reflection etc). Since it's been acid washed and refilled - and all chemicals adjusted- it appears more green than blue. It's not algae, just a darker color and really too green. It also doesn't have the clear sparkling look that it once had.

What would cause this? Can it be corrected?

Thank you!

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The acid wash removed the light color scale build up on the plaster surface and has exposed the true plaster color below. The gray interior absorbs the color palate of the light spectrum instead on bouncing it away like it does from a lighter/whiter surface. For now there is much you can do with resurfacing the pool with a lighter plaster color. In the long term the plaster will naturally scale back over time and the color will gradually lighten and turn to a more blue shade.

    Bookmark   June 9, 2014 at 8:37AM
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The green look is most likely from the chemicals in the water. Most look green for awhile until the water gets properly balanced. Keep brushing and you will see the true color in about 30 days

    Bookmark   June 10, 2014 at 12:28PM
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