[APD] Re: PH

["Bill D" <billinet at comcast_net>]

"I doubt anybody here has harder water than I do. Plants don't seem to
care."

Richard,

The question dealt with pH, not hardness.  Within reasonable limits, GH
doesn't seem to have any ill effects (although KH might, at high levels,
around 15 or so.)

CO2 injectors can control the pH and so it isn't an issue for them.

Bill


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