Re: [APD] Potassium Test Kit at Aquarium Landscapes

["S. Hieber" <shieber at yahoo_com>]

I am mising something here. What have pure reagents to do
with the measurement levels of test kit. I mean, it's not a
qustion of calibration, it's a question of the utility of
the range.

Although I admit, being a vet would make someone more
likely to know how to design a chemical test kit for
aquatic gardening. Still, a few ppm is controversial at
best as a recommended K level.

sh
--- "Richard J. Sexton" <richard at aquaria_net> wrote:

> >--- "Richard J. Sexton" <richard at aquaria_net> wrote:
> >
> >>
>
>>http://www.aquariumlandscapes.net/aquarium-plants/Test-Kit-Potassium.cfm
> > 
> >> These guys are vets. If they said they made a kit that
> >> works I'd
> >> cetainly be willing to give it a try. 
> 
> >I have read that it works by having you compare your
> water
> >sample with two provided comparison vials, so you can
> see
> >if your K level is 1 pmm or 2 ppm or higher.
> >
> >sh
> 
> As a faithful follower of brother Tom Barr I calibrate
> all incoming
> test kits with pure regents.
> 
> 
> 
> 
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