Browse Forums Pools & Spas 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 20165 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 11731 4 10817 |