Re: [APD] Potassium Test Kit at Aquarium Landscapes

["Richard J. Sexton" <richard at aquaria_net>]

At 05:47 PM 12/5/2004 -0800, you wrote:
>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.

You prepate stock solutions of known strength then use the kit
to find out at when levels it starts and ends indicating "none"
"a bit" and "lots".



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