Gardening > Plants that Grow in Water > Archive > 2008-07-05 Latest [ Topics | Posts ] Archive Post A New Topic Archive of 2008-07-05 < Previous Day Day 1104 of 1107 Next Day > Topic Title Topic Starter Posts Time GH = 6, Ca++ = 30 ppm, Mg = ? Gerardus <nospam@... 2  16:12:44 Archive of 2008-07-05 < Previous Day Day 1104 of 1107 Next Day > About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup tan12V112 Thu Aug 28 18:13:34 CDT 2008.