From: Jeff Lowenfels (jeff@gardener.com)
Date: Thu Mar 20 2003 - 15:04:10 EST
<<<<<Copper should not be used in any place that bacteria and fungi can for=
m biofilm and solubilize the metal into the solution. Copper at very low l=
evels is toxic to both beneficial bacteria and fungi>>>>>
So does that preclude using a heater with a copper outside?
Cheers,
Jeff L
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