08-15-2009, 07:15 PM
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Quick Powerhead question
Just installed my first powerhead. It is a Regent Aqua Tech from walmart rated at 170 GPH. I bought it mainly to add some circulation for my pressurized Co2 that I just added. Currently I have the Co2 running into the venturi plug but not yet turned on as I am not ready for it, although it is tested and works. My question is I am getting a lot of bubbles coming from the powerhead even though the Co2 is turned off. Is this normal? I don't want O2 coming from the powerhead I really just want it for water circulation and maybe Co2. Putting the plug into the venturi plug keeps the bubbles from coming out but leaving it open in the water without the co2 tube and there is bubbles.
I did find some leaks in my homemade bubble counter but there are bubbles even without the co2 tube running into it.