We have iron in the water and have major stains. We tried metal free so no metal is in the water. We put 3 1.75lb bottles of stain free in a 40k gunite pool. Any ideas?
major or on stains on walls
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- Last Post 16 April 2018
Thanks a bunch. I had it ID'd here at a local store. Its iron. this is what it looked like to start...
I used 4 bottles of this. Seems to be the exact same instructions as Jack's. This is what a pool guy said his wholesaler recommends.
It may take a combination of chemicals. That's why we usually recommend the Stain ID Kit. It includes 3 chemcicals and detailed instructions on how to use a combo if necessary.