Pool Math Calculator

[boston62]

The suggested FC levels it says SWG 4 NORMAL 6 To 11.

these are my numbers

FC 7
CC 0
PH 7.6
TA 75
CH 350
CYA 75

should I shoot for the FC 4 or keep it between 6 & 11

Thanks

 

[Richard320]

For a SWG, use 4. That's the minimum FC. If you drop below that, crank the SWG up a notch. Personally, I'd target something like 6, since it builds in a cushion in case you have a sudden demand on the chlorine. It takes a SWG a few hours to build up the levels, whereas with a jug, it's just seconds.

The last box on poolmath will let you set up targets. Choose SWG and it will set it up for you in the rows above.

 

[boston62]

That is what I am shooting for is 6, but it goes to 7 then back. I have my SWG at 20‰...and its been holding the FC..
Thanks

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