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Hello, I opened my 5500 gal Intex metal frame / vinyl liner pool yesterday and noticed it was somewhat green and a little slimy on the inside walls. I added two 13.5oz packs of Kem-Tek tri-chlor 67% (60.3% available chlorine) shock and one 1.0 gal 10% chlorine, and ran the filter all day. I...

Hello Great site! Just got my TFTest kit and I am having trouble reading PH. Overall, it is pink and I think it is probably around 7.6 to 7.8 or higher, but it doesn't really match up well with any of the colors on the chart because it is so faint (It's definitely not yellow, and not purple)...