Green Water with Copper

by Fatema

THere is 0.32 ppm Cu(ii) in pool. Can this level of Cu(ii)turn water to grean? How can I make sure that this problem is for copper not for something else?

Thanks for the question Fatema

Copper can cause green water and by your reading the copper is high at 0.3. High copper can be attributed to high copper fill water and/or copper algaecides which I never recommend anyone using. High copper can also cause metal staining which can be a real pain to remove.

Without your chemical readings it's difficult to determine what may be causing green water. It could be lack of chlorine, too high or low stabilizer, too high pH, or a combination of these. If you can get me a complete list of your chemical readings, the actual numbers, we can start from there. If you're using a metal based algaecide I'd encourage you to stop and use a PolyQuat 60. It's a bit more expensive but worth it and it has no metals. If your fill water already has high high metal content then using a copper based algaecide will only make matters worse.

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Have a great Summer.


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