Testing for Copper and Phosphates

Jsf721

Gold Supporter
Jun 24, 2022
382
Long Island, NY
Pool Size
38000
Surface
Vinyl
Chlorine
Liquid Chlorine
I have someone at my house pressure washing today and my wife asked him about the black marks on the pool steps and if he could pressure wash them off. He said no but thought the black marks are from high copper levels.

I have not tested for copper in several years since I stopped going to the pool store for testing. I had used the Culater products before somewhat successfully after using copper algicide.

So how do you test for copper and also phosphates?
 
You can get phosphate test strips on Amazon. The AquaChek ones made by HACH are pretty accurate.

Mine were wicked high when I moved into my house and I eventually treated to remove them, but it's debatable at best whether it was necessary.
 
You can get phosphate test strips on Amazon. The AquaChek ones made by HACH are pretty accurate.

Mine were wicked high when I moved into my house and I eventually treated to remove them, but it's debatable at best whether it was necessary.
I know Phosphates are food for Algae so I figure at least I should teat to be sure I have not set the buffet table up if my FC dips. I am doing all I can not to have to slam since I live off site and its not easy to manage remotely.
 
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I know Phosphates are food for Algae so I figure at least I should teat to be sure I have not set the buffet table up if my FC dips. I am doing all I can not to have to slam since I live off site and its not easy to manage remotely.
Really not needed and can cause problems if you don’t know how to manage them. I’ve never tested mine for phosphates and haven’t found a reason to.
 
I know Phosphates are food for Algae so I figure at least I should teat to be sure I have not set the buffet table up if my FC dips. I am doing all I can not to have to slam since I live off site and its not easy to manage remotely.

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