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Re: Aquatic Plants Digest V3 #478

At 03:48 PM 8/28/98 -0400, Paul Nicholson suggested:
>Amother solution is to use multiple low wattage heaters. If any individual
>heater fails it will not cause the temperature rise that a single high
>wattage heater would cause. Of course, to get good temperature regulation,
>all the heaters must be adjusted to the desired setpoint which is trickier
>to accomplish with multiple heaters.

Not so.  If one of the thermos is too high, it will be on almost all the
time.  If one is set too low, it will never run until the temp has started
to fall low, possibly from a failure of another heater or particularly cold

Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
FormMaestro                              <http://www.wcf.com>