Thanks Wright. Typo on my part - I meant to type Gh - not PH. Anyway, you have answered my question - I guess Gh (general hardness) is the same as total hardness. Heather - -----Original Message----- From: Wright Huntley <huntley@ix.netcom.com> To: apisto@majordomo.pobox.com <apisto@majordomo.pobox.com> Date: October 29, 1997 1:40 PM Subject: Re: Water Hardness Measurements >Haines wrote: >> >> I have a test kit that measures KH & PH. I have a book that keeps >> referring to total hardness. How do I determine that? >> > >Get a kit that measures gH (GH?) for "general hardness." KH is >carbonate, or temporary hardness. > >Wright > >-- >Wright Huntley, Fremont CA, USA (510) 494-8679 huntley@ix.netcom.com >Quantum Electrodynamics: The dreams stuff is made of. > >------------------------------------------------------------------------- >Search http://altavista.digital.com for "Apistogramma Mailing List Archives"! >