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Swimming Pool Water

squashwang2010-01-26 20:01:54 +0000 #1
measured ph of 8, cl 3, say what, what way back to the national standard, thank you
Hongsheng Korda2010-01-26 20:13:40 +0000 #2
chlorine is free chlorine do? The national standard is 0.3-0.5. If total chlorine is 3, you can use to do something super-chlorine shock, chlorine values will soon fall down. If the free chlorine is 3, only chlorine neutralizer and in the. PH value is high a little, add a little sour on it.



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