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Old 08-08-2008, 09:23 PM   #13 (permalink)
Haksar
Algae Grower
 
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Join Date: Jul 2008
Location: Dubai / U.A.E
Posts: 25
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Quote:
Originally Posted by gmccreedy View Post
NO. The controller is the "timer", but you are not doing it by time, you are regulating CO2 injection based on a preset pH value.
Thanks guys..saved some money on the timer.
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