Browse Forums Pools & Spas Re: Fiberglass Pool Bleaching under the water line 17Mar 19, 2018 7:54 pm Hi, thanks for your photo. Mine isn't as bad as this one but without draining all the water, you never know. You seemed to have seen a lot of similar issues with over chlorination. Rather than the cosmetic issue, does it cause any other issues? Is it still safe to swim? Some parts of my pool wall became a bit chalky, meaning I can move he white stuff with my hand. Thanks in advance Re: Fiberglass Pool Bleaching under the water line 18Mar 19, 2018 7:59 pm JBP Hi, thanks for your photo. Mine isn't as bad as this one but without draining all the water, you never know. You seemed to have seen a lot of similar issues with over chlorination. Rather than the cosmetic issue, does it cause any other issues? Is it still safe to swim? Some parts of my pool wall became a bit chalky, meaning I can move he white stuff with my hand. Thanks in advance Perfectly safe to swim in . When water is drained it looks 50 times worse . Re: Fiberglass Pool Bleaching under the water line 20May 31, 2018 5:55 pm i am seeing terms such as "chlorine too high" "chlorine balanced" "chlorine off the scale" the fc must be in relationship to the cya level so 20ppm fc would be maximum for a 50ppm cya level and 20ppm fc could bleach liner below 50ppm cya a fas dpd chlorine test does not have a maximum limit so there is no off the scale how about some accurate numbers from a quality test kit Hi all I am looking to run a water line under my concrete footpath which is directly next to my home, was seeing if this is possible without cutting the entire section… 0 20036 Hi everyone, Looking for some advise. We are about to build an above ground pool in our backyard. There is a private sewer line running under the pool at 1.6m… 0 11689 4 10775 |