CO2 problem

725 Views 1 Reply 2 Participants Last post by jeff5614, Aug 30, 2008

hellohefalump

Discussion Starter · Aug 29, 2008

I am new to CO2.

I have this: http://www.lunapet.net/Anleitungen_PDF/CO2_Set_GB.pdf CO2 setup. I only set it up a couple of days ago.

Today it worked fine, and according to my drop checker the CO2 level was perfect. But then I had a fiddle with the reactor. I thought that if I adjusted the lever that controls the flow through the reactor from the filter outlet to make MORE water go through the reactor, then the whole thing would work more efficiently and I'd need less bubbles.

So I did that, and a wierd thing happened. The reactor started filling with what looks like air, but I reckon is CO2 and lots of bubbles are coming out. And after a while my fish started gasping at the surface and being quite inactive. My drop checker now says there is too much CO2 in the tank.

So I've turned it off, and I've put an airstone in. My lights have now gone off for the night.

Have I done the right things?

Tommorow I'm going to set it back up the way it was before.

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jeff5614

· #2 · Aug 30, 2008

A big water change would have been helpful to your fish also in removing CO2 and introducing more oxygen into your tank. The airstone will help do that also. So reset your CO2 to a level that doesn't stress the fish and be sure you have some agitation of the water surface to help with gas exchange.

Since your dropchecker indicated your CO2 level was good I'd just leave it there for a few days and see how the fish and plants do. If the fish are good and you think you need additional CO2, then you can try increasing it slowly over a few days to allow the fish time to adjust. If both seem happy then I'd keep it as it is.

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