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Thank you so much! I'll order a kit tonight and post values as soon as I get it. I appreciate your quick response!

I have a 40,000 salt water pool. On opening the concrete floor and walls all have a blue stain (normally white). I just had the water tested and the chlorine level is 18, hardness is 166 ph 7.9. Prior to this I used magic jack stain test and it appeared that the copper stain kit with shock...

I can never seem to get the right balance. Now the chlorine is way too high at 18 and the walls and floor of the concrete pool are all stained a light blue...

Hi I thought I had to replace my SWG too, but it wasn't working because the salt level was too low. Once the salinity was up to 2.8 it started working again. Only found this out because the pool company suggested it before sending the tech to the house.

I have a 40,000 salt water pool. On opening the concrete floor and walls all have a blue stain (normally white). I just had the water tested and the chlorine level is 18, hardness is 166 ph 7.9. Prior to this I used magic jack stain test and it appeared that the copper stain kit with shock...