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Re: heating cables
Arrgh! Just when things get interesting, I can't connect to my ISP. Wahh!
Let me catch up...
>Date: Mon, 01 Jan 2001 14:21:09 -0700
>From: "Chuck Gadd" <cgadd at cfxc_com>
>> These actually circulate warm water through a network of
tubing...Different than other systems I have seen. A bit pricy though.
>I've heard that these don't have enough of a temperature difference to
>create the subsubstrate currents that are needed for the substrate cables
A long time reader of APD, Earle Hamilton, has tried hot water systems like
this. He reports he didn't see any differnece with or without substrate
heating. Two possible conclusions: heating cables don't do much (I would
argue against that) or they weren't producing enough heat to generate the
George Booth in Ft. Collins, CO (booth at frii dot com)
The web site for Aquatic Gardeners by Aquatic Gardeners