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Unread 05-06-2006, 04:48 PM   #16
bobo5195
Cooling Savant
 
Join Date: Aug 2005
Location: uk
Posts: 400
Default Re: Not exposing coolant to light seems to work

maybe this is a stupid question.

But if the bacteria are photosynithising then black tube would work right. The bacteria have to be living off something?
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