Thread: CO2 methods for large tanks?
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Tom Barr is Offline
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02-07-2007, 04:03 AM
No, like this:

Mazzei Venturi Injectors, 1/2

Or

Venturis

or

DIY In-Line Micro-bubbler - Page 8 - The Planted Tank Forum

Regards,
Tom Barr
  
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