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Hi Butterfly, you are very nice. The gallon size is roughly correct (326.000 Liters = 86.120 Gallons) The depth is not constant for all the lenght: 2/3 is about 12 feet and as for the rest it is 4.2 feet. About the sequestrant I have followed the pool seller indications. The label directions...

Yes, water instantly went brown with chlorine. Yesterday evening (aroud 19 pm) I added 10 bottles (about a quarter of a gallon each) purchased for "only" 200 Euro (288$) of "Chemoform - metal magic" containing 1-Hydroxyethylidene-1,1-diphosphonic <50%. Now ( after 22 hours) PH is always 7.2 and...

Hi all, many many thanks for your replayes, but (sob!!) the damage is done, water, is completely brown. It took me about 7 days to fill up my pool, the algae was increasing, so I have added liquid sodium hypochlorite (18%) up to 15ppm (As the pool calculator suggests about FC level - shock) and...

hello guys, I'm a new entry in this very helpful forum and I need your help. premise: I live in Italy and I can't purchase any FAS-DPD chlorine test. I tryed on-line shopping but without any result why, in accordance with last agreements, chemists (pool test kit) can't shipping by airplane...