remedy

Hi dear members, I haven't been able to remove these stains from my pool since I bought my home less than a year ago, when I got my home the water was dark green and after clearing it up those stains remained, not sure if they were there before. The water is balanced, I have already used Cal...

Hello, I had my pool resurfaced in 2/2017 with a pebble/glass in the mix. It was beautiful until June this year, suddenly dark spots appeared. You cant brush them off. They are scattered. I called the company that did the work. They sent someone out and he said its Maganese stains. They want to...