Pool Stains Removal Prior to Drain and Refill

Nov 11, 2014
3
Placentia
Hello fellow TFP members-

Need some help figuring out what the proper solution is to remove the stains on the these photos. I sent these photos to the poolstainremovers.com and they indicated that I had a combination of copper stains and organic algae staining. After I remove the stains I plan to remove and refill with new water.

My pool is older and has an old pool heater that came with the house when i purchased it 10 years ago. I'm guessing the stains are from the heater or maybe copper plumbing (not 100% sure it has copper plumbing).

Although my pool water is very clear I plan to drain to reduce CYA levels which are way too high. 150+. I'm spending lots of money on chlorine this summer. During covid when chlorine was hard to find I resorted to using tablets which raised the CYA too high. Replacing my water would be much cheaper than filtering my water via reverse osmosis. I did that back in 2016. It'll cost me about $60-$75 in water to refill. Much cheaper than using a ton of chemicals too.

Question is, prior to changing out the water I'd like to remove the stains, what are my best options for doing so? I'm guessing the water would be in solution so draining would be a good option anyway since the metal needs to be removed from the pool. Do some of the chemicals recommended on the site like Jacks Magic work

with high CYA levels? Photo1.jpgPhoto2.jpgPhoto3.jpgPhoto4.jpg

Any suggestions would be greatly appreciated.
 
Welcome to TFP.
Edit...I see you've been lurking around a decade or so :wave:

I've never had to deal with copper stains, but here are a couple of good resources to get you started. We'll give your thread a bump, and you can ask follow-up questions.

 
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