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Re: [APD] Re: Electronic measurement of KH
Oh yeah. KH is probably the easiest of all the chem tests
to do. Try the tetra or Aquarium Pharm brands kits for KH.
Cheap and dopne in seconds. Trade in the round AQ test tube
for a something easier to mix with and double your water
sample size and measure each drop as have as many degrees
--- Bill Wichers <billw at waveform_net> wrote:
> >Apart from measurement using a chemical test kit, it is
> feasible to
> >measure kH electronically (in the same way as pH
> There are 'ion selective' probes
> but they are
> expensive (several hundred dollars -- without the meter).
> I'm not sure how
> useful they'd be either since it would be difficult to
> build a controller
> for hardness.
> For the occasional test, a good chemical kit is probably
> best, and
> certainly cheaper.
> Waveform Technology
> UNIX Systems Administrator
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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