[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: undergravel / undergravel heating drawbacks

Roger Miller wrote:  "UGF also limit your choice of
substrate materials and your ability to use substrate
fertilizers and amendments."

This was what I meant when I gave the example of the
jobes spikes.  I'm guessing now that any water
movement through the gravel my substrate heating would
be to slow to cause this same problem.  Is this

Thanks, Cavan.

Do You Yahoo!?
Yahoo! Photos - Share your holiday photos online!