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Re: Cavan's Goad?

I can't be sure whether you're being deliberately obtuse hear, or
whether you're trying to goad us: The convection provided is very slight
in real terms, however it's enough to get water moving through the
substrate, not enough to shift a Jobe's spike.

>Date: Tue, 2 Jan 2001 10:35:54 -0800 (PST)
>From: Cavan <millsman7 at yahoo_com>
>Subject: Undergravel or UGF Problem?
>Just out of curiosity, I have this question about
>undergravel heating.  Wouldn't it be possible for
>heated water coming up out of the substrate to bring
>up things with it that should probably stay down
>For example, say you had jobes sticks down there.  I
>would guess having an undergravel filter might cause
>the same sort of problem, if indeed it could be one.
>Later, Cavan  --in Pittsburgh