{"version":"1.0","provider_name":"Water Testing Blog & Water Test Kit Store","provider_url":"http:\/\/watertestingblog.com","author_name":"Water Testing Blog","author_url":"http:\/\/watertestingblog.com\/author\/admin\/","title":"Hardness: Grains per Gallon (GPG) vs. Parts per Million (PPM)","type":"rich","width":600,"height":338,"html":"

Hardness: Grains per Gallon (GPG) vs. Parts per Million (PPM)<\/a><\/blockquote>\n