Cichlid Room Companion

TERME: Description du gloassaire des termes.

Contexte: Aquariophilie Ecologie

general hardness

Abbreviation for General Hardness, i.e. total concentration of calcium, magnesium and other ions in water. It is measured in dGH (degrees of General Hardness); 1 degree = 17.9 mg/l. Used to measure water hardness


Coad, Brian & D.E. McAllister. 2007. "Dictionary of Ichtyology". Brian W. Coad. Retrieved on June 21, 2014, from: (crc06223)

Abbreviation: dGH