Re: [RML] Ross River blueeyes

Adrian R. Tappin (atappin at ecn.net.au)
Thu, 11 Jun 1998 15:20:00 +1000

At 23:11 10/06/98 -0500, Garywrote:
>
>snip If I have this right I think that most of the world is using either
>Degrees hardness (german) or ppm (metric). What that really says is that all
>you have to know is that 1 degree is equal to 17.9 ppm in the conversion, don't
>you agree? It's been a very long time since I've seen any test kits using
>clark or american degrees, going back to the days of the "soap" tests from the
>late sixties. I have also seen the conversions used interchangeably between
>both carbonate hardness=(KH) and general hardness=(GH) (Mg and Ca ions).

Yes, I prefer ppm myself.

Adrian.
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Adrian R. Tappin
"Home of the Rainbowfish"
http://www.ecn.net.au/~atappin/home.htm
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