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Eheim pressure

At 03:48 PM 1/30/99 -0500, >> James Purchase wrote:
>> [Eheim diffusors]  will  NOT work with Yeast Method CO2. 
>>You definately need to use compressed  CO2 in order to
>> achieve the pressure needed to drive the CO2 through the
>> ceramic  plates.
>Could you give us an estimate of how many PSI are required? 

Speaking specifically for the Eheim only, about 8-10psi are required for
bubbling to begin.  At 20psi you get pretty much full volume.  About
14-16psi is the usual operating range, depending on tank size, light level,

Dave Gomberg, San Francisco            mailto:gomberg at wcf_com