05-06-2008, 09:14 AM
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#7 (permalink)
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Planted Tank Guru
Join Date: Nov 2003
Location: Burlington, NC
Posts: 2,919
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Quote:
Originally Posted by ColeMan
So Tom Barr says on a thread in which I inquired about buying a good test kit:
"Do yourselves a favor, make some reference solutions.
Make a set of ... KH(17.86ppm, 71.44ppm) ...
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Bill would probably make these KH reference solutions for you. http://liquidarthome.net/khstandard
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