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I thought I would try this DIY project.
Most powerheads can be modified in a similar fashion. The flow rate is about 60 - 80gph. Perfect for two 2 L. yeast generators.
Originally Posted by Tug
Modifying Marineland's Duetto multi filter.
Remove all of the filter media, drill one small hole for your CO2 line, snap the filter back together, insert the CO2 line (add a check valve) and your done. BUMP. http://www.barrreport.com/showthread...0663#post40663
Updated 03-26-2012 at 12:47 AM by Tug