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Re: [APD] CO2 and pH control
Count each drop. Or use 10 ml of sample and count each drop
as one-half degree, which lends a smidge more accuracy.
--- Gordon and Susan Watkins <gwatkins at ritternet_com>
> I just retested with the same results. However, I'm using
> the Aquarium
> Pharmiceuticals test and I'm unclear whether you count
> the first drop
> which changes the solution blue. After color change to
> blue, it takes 9
> drops to turn yellow. If you count the first drop, the KH
> is 10. Does
> that make more sense?
> Jerry Baker wrote:
> >Gordon and Susan Watkins wrote:
> >>Thanks for the info Jerry. My KH and GH both measure
> 9.0. From your
> >>info, it sounds like my current level of 8.2 is about
> >Only 9? And your pH is 9.3? That means there is
> something else in that
> >water acting on your pH other than carbonates and CO2.
> Your water should
> >have a pH around 7.7 - 8.0 if the KH is 9.
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> Aquatic-Plants at actwin_com
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