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Re: Recommendations for a CO2 test kit?
bickford at black-hole_com (Jay Bickford) asked about using tap water and
ion exchange water to produce a given hardness.
Jay, why don't you skip using the ion exchange water entirely and just
allow your plants to soften the water by using up the nutrients? The
problem with hard water is not the presence of the calcium and magnesium
at all but rather the high pH caused by the presence of carbonates in
water. Does RO water or ion exchange really do anything for the pH at
all? Why bother? If you are fortunate enough to have water with lots of
minerals and high alkalinity, you can simply use peat and CO2 to lower
the pH a little. Or live with a slightly higher pH; its not that
Steve Pushak Vancouver, BC, CANADA
Visit "Steve's Aquatic Page" http://home.infinet.net/teban/
for LOTS of pics, tips and links for aquatic gardening!!!