Comments on: Hardness: Grains per Gallon (GPG) vs. Parts per Million (PPM) http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/ "It's your water, your health.. and ultimately your LIFE!" Wed, 11 Jul 2018 15:24:16 +0000 hourly 1 https://wordpress.org/?v=4.7.5 By: Popular Water Testing Topics | Water Testing Blog & Water Test Kit Store http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/comment-page-1/#comment-1335 Tue, 23 May 2017 21:48:46 +0000 http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/#comment-1335 […] Converting Hardness: Grains per Gallon to Parts per Million  […]

]]> By: Question: What are the Most Commonly Tested Water Parameters? | Water Quality: Testing, Filters for, and Purification of Drinking, Ground and Pool Water http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/comment-page-1/#comment-541 Sun, 31 Jan 2010 21:42:00 +0000 http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/#comment-541 […] Hardness: Grains per Gallon vs. Parts per Million […]

]]> By: Popular Water Testing Blog Posts: July 2009 | Drinking Water Quality, Testing, Filters and Purification http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/comment-page-1/#comment-477 Sat, 01 Aug 2009 16:20:46 +0000 http://watertestingblog.com/2009/01/14/hardness-grains-per-gallon-gpg-vs-parts-per-million-ppm/#comment-477 […] Hardness Grains per Gallon vs. Parts per Million: Once again, the name says it all. What more can we say about this posting dealing with water hardness measurement scales. […]

]]>