Pool Math App Question

Sep 23, 2016
44
Morganton, NC
I was playing with Effects of Adding
I suspect the "6%" Bleach I'm using isn't really 6%, it states 6% on the box of 6, and on each bottle, the date is good, less than month old.

But anyway, back to my question...

When you use ANY % of chlorine less than 6%, in with amount set at 1 Gallon, it shows Effects: Raise FC BY 4.3 ppm
Using 6% shows Effects: Raise FC BY 4.9 ppm

Using higher %, it seems to work.

Why doesn't the app work with anything less than 6%??
Unfortunately there are bleaches that have less than 6% chlorine now, some as little as 2-3%

This is also a good way to 'back into' what % chlorine your bleach really is.
If 1 Gallon only raises FC by 2.5ppm when it should raise it by 5ppm, then it is 1/2 strength.

I did finally figure out that the 6% bleach I have is only around 3%, a gallon only raised my FC by 2.5 ppm instead of 4.9%

Another Question:
Why isn't the pool size calculator in the App like it was on the web page?

Thanks
 
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