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Old 04-13-2005, 07:26 PM
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Rikko Rikko is offline
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A KH test is fine for testing alk - I think what a KH test measures makes up like 98% of alkalinity or something like that. I use both a Hagen and Salifert kit and get the same results.
The one thing about the Hagen kits is that you get results in ppm, which isn't that used.. I think the conversion from ppm to dKH is to multiply ppm by .0155.. Google should have it.