ppm -> degrees hardness

• To: Aquatic-Plants at actwin_com
• Subject: ppm -> degrees hardness
• From: krandall at world_std.com (Karen A Randall)
• Date: Fri, 16 Feb 1996 13:43:28 -0500

 Subject: ppm -> degrees hardness
 
> Will someone post the conversion factors for parts per
> million (ppm) and German degrees hardness?

1 mEq/l = 2.8 dH = 50 ppm

Karen Randall
Aquatic Gardeners Assoc.
Boston, MA

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