Reactor Problems... - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 02-04-2004, 04:18 AM Thread Starter
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I recently set up my fuel injected CO2 system, including the Mini Vortex Reactor.

My reactor keeps sucking up crap from the tank. I've tried moving it up, moving it down, by the intake, etc. but it still keeps sucking up crap.

I end up with a massive air bubble spinning around, making lots of noise in my reactor. I don't have a lot of decaying plant material in my substrate. So that's not the problem.

Any recommendations?
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post #2 of 12 (permalink) Old 02-04-2004, 06:24 AM
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Fuel intected?
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post #3 of 12 (permalink) Old 02-04-2004, 11:07 AM
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the air bubble is co2 that hasn't been dissolved yet. It goes through phases in my reactor too, sometimes I'll see nothing in it and then at other times I'll see huge amounts of air in it.

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post #4 of 12 (permalink) Old 02-04-2004, 03:18 PM
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How much CO2 are you trying to inject? You might be sending too much into the reactor.

Sean

Aquascape? I'm a crypt farmer.

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That IS an aquascape, it's titled "The Vacant Lot".
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post #5 of 12 (permalink) Old 02-04-2004, 06:03 PM
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That shouldn't have happened unless the needle strayed. I set it up for her at around 20 bpm.

George


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post #6 of 12 (permalink) Old 02-04-2004, 06:21 PM
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fuel injected?

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post #7 of 12 (permalink) Old 02-05-2004, 01:01 AM
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Quote:
Originally Posted by George Willms
That shouldn't have happened unless the needle strayed. I set it up for her at around 20 bpm.
If only that was the first time I'd heard that...

CO2 systems are funny beasts, sometimes you think you have them set then the CO2 tank warms up and the pressure rises and you find you are adding a lot more than you intended. But I'm not saying that it's definitely too much being injected into the reactor. It could be that the CO2 dissolution capacity of the water has been reached.

Sean

Aquascape? I'm a crypt farmer.

It's a fine line between fishing and standing on the shore looking like an idiot.

That IS an aquascape, it's titled "The Vacant Lot".
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post #8 of 12 (permalink) Old 02-05-2004, 03:16 AM Thread Starter
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Yes my tank is now fuel injected... much better than the three weeks of yeast changing. George.. the regulator is still at where you put it. But the problem is only at night. If it is an over saturation maybe I should turn down the flow at about 8 pm. But it's strange because the massive air thingy is gone in the morning, and the reactor is fine and dandy till about 7 or 8 when it starts building up again. My light stays on till about 11 so.....
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post #9 of 12 (permalink) Old 02-05-2004, 03:19 AM Thread Starter
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I have really nice pearling around 8 pm .. bubbles all over the place too
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post #10 of 12 (permalink) Old 02-05-2004, 12:59 PM
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Quote:
Originally Posted by mandafish
But the problem is only at night. If it is an over saturation maybe I should turn down the flow at about 8 pm. But it's strange because the massive air thingy is gone in the morning, and the reactor is fine and dandy till about 7 or 8 when it starts building up again. My light stays on till about 11 so.....
Quote:
Originally Posted by mandafish
I have really nice pearling around 8 pm .. bubbles all over the place too
New theory:

You are building up a bubble of O2 not CO2, the bubbles of CO2 in the reactor gives O2 an opportunity to come out of solution. The bubble is a bit of atmosphere and the partial pressure is wrong when it is made up of all CO2 so O2 enters the bubble. This happens the fastest when O2 is at full saturation, which is also when the plants start to pearl.

Sean

Aquascape? I'm a crypt farmer.

It's a fine line between fishing and standing on the shore looking like an idiot.

That IS an aquascape, it's titled "The Vacant Lot".
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post #11 of 12 (permalink) Old 02-05-2004, 02:01 PM
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Sean, I never would have thought about that! It makes sense to me now then why I have the same problem in the middle of the afternoon. You're a genius!

George


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post #12 of 12 (permalink) Old 02-05-2004, 05:03 PM
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Sean, I never would have thought about that! It makes sense to me now then why I have the same problem in the middle of the afternoon. You're a genius!
8) Another post to show my wife so she can roll her eyes at me. :roll:

Sean

Aquascape? I'm a crypt farmer.

It's a fine line between fishing and standing on the shore looking like an idiot.

That IS an aquascape, it's titled "The Vacant Lot".
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