where to position co2 and powerhead.
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Old 06-13-2015, 11:37 PM   #1
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where to position co2 and powerhead.

Hey everyone I just had a question about where I should place my co2 diffusor in my tank to help distribute evenly. currently I have a power head on the left rear corner of my tank and I have the diffusor placed directly below for bubbles to rise and be blown into the water ever further. the plants in the left corner with co2 are doing very well all my crypts are massive the right side of my tank is much smaller. I suspect co2 is not being evenly distributed. Also I have my filter on the right side of the tank. What do you guys think?
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Old 06-14-2015, 12:00 AM   #2
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The current from the HOB outflow could be meeting the current from the powerhead, stopping it from going any further, and possibly pushing it back in the direction from which it came. That is pure speculation though. In theory the way you have it should work pretty well it looks to me like.

You could try placing the drop checker in various locations to see if there's an actual difference. Up high, down low on various sides of the tank, etc.
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Old 06-14-2015, 12:07 AM   #3
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That's pretty much the way I have it set up in my tanks. Diffuser under a power head. I always keep that powerhead pointed down in effort to keep the bubbles in the water for as long as possible.
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