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Hi, For anyone that has used Jack's magic copper stain remover powder (sulfamic acid). Did your water get really cloudy? How long for? Any idea why this is and can I use a floculant or a clarifier to get rid of it? Thanks!

Hi, So I am currently using Jacks Magic #2 stain remover (sulfamic acid) to remove stains from a Pebblecrete (I am from Australia, not sure if it goes under a different name in the States) pool. And I am using "the Blue stuff" (HEDP) sequestering agent. I have a couple of questions. Does...

Hi, Our pool has been sitting for a year without sanitiser (long story) but remarkably it is crystal clear probably because it get no UV light and is indoors. Anyway I want to start up the pool now properly for the first time. Once I get the pool working we will have very irregular use, there...

Hi, So I know that it is recommended to have a 5-10ppm CYA level (or 20-30ppm for the ease of measurement) in an indoor pool for its ability to buffer chlorine. I also know you have to have a higher CYA level for a SWG system (close to 100ppm) than you would have for a liquid chlorine regiment...

Hi, I have a 12,000 gallon indoor pool which I am converting from an ioniser to a chlorine system. I have done a lot of reading on this forum and picked up some very useful information especially about the addition of CYA to the water as a chlorine buffer. One of the things that was...