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Re: Live Food and Heating Gradients

On Wed, 6 Jan 1999, James Purchase wrote:
> Mr. Booth, please get your thermometer out and let us know what kind of
> heating gradient is being produced in the substrates of your tanks by the
> Dupla cables.


George already did this four and a half years ago.  Take a look at
http://www.thekrib.com/Plants/Tech/dupla-cables.html#7 for the article.  
Looks like gradients were between 1 and 5 degrees C depending on the

  - Erik

Erik Olson
erik at thekrib dot com