Just Set Up C02 System... Advice? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 13 Old 04-29-2011, 11:46 PM Thread Starter
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Just Set Up C02 System... Advice?

Hey everyone, I just set up a C02 system in my 20g planted tank. However, I'm afraid that I may have cut the tubing that's connected to the fermentation canister too short. This seems like a stupid thing to be worried about, but I tend to freak out over the little things. Am I supposed to have more slack than this? I'm worried because the water is only in the submersed part of the tube. Is it supposed to be like that?


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post #2 of 13 Old 04-30-2011, 02:08 AM
deeper might help if diffusion is not enough. As far as the slack it doesn't matter. You just set it up so there is water in the tubing. If it is working properly it should push the water out as pressure builds up and slowly make bubbles.

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post #3 of 13 Old 05-03-2011, 11:00 AM
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It may be a good idea to run the CO2 tube to the intake of your filter. May help with diffusion.

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post #4 of 13 Old 05-03-2011, 11:04 AM
What type of system is that?
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post #5 of 13 Old 05-03-2011, 11:06 AM
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Looks like a commercial yeast-based system.

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post #6 of 13 Old 05-03-2011, 09:49 PM
Yep its a nutrafin system which is yeast based.

Something I didn't notice before is I think there is a HOB filter on that tank

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post #7 of 13 Old 05-03-2011, 11:05 PM Thread Starter
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Yep its a nutrafin system which is yeast based.

Something I didn't notice before is I think there is a HOB filter on that tank
It is indeed a hob filter, I dislike under-gravel filtration systems. They're too much of a hassle, in my opinion. I hate dealing with them. (But if they work for other people, I think it's great!) :) I have a Whisper EX45, and it keeps my tank extremely clean. It's been running smoothly for over a year and a half.

Anyway, my c02 system is running just fine now. I have a tendency to over-react to small things if I don't get instant results.

And yes, it's a nutrafin system. I was slightly opposed to getting it at the beginning, but several of my plant-keeping friends have them and swear by them. Is there a problem with this system that I should know about? D:

Last edited by musapan; 05-03-2011 at 11:09 PM.
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post #8 of 13 Old 05-04-2011, 02:33 AM
no... not really. It works, not particularly any better then a DIY yeast system. Thing is your HOB actively removes CO2 from the tank. Along with adding CO2 you need to reduce surface movement. Lots of surface movement increase CO2 loss.

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post #9 of 13 Old 05-04-2011, 09:45 AM
Ive also read that using the HOB as a diffuser is quite effective, ive seen people setup their CO2 to push bubbles into the HOB and the filter mixes it up and puts it into the main tank. Could give that a try if you want to see if you can get improved diffusion.

If the nutrafin is yeast based, does that mean you cannot turn it off at night? Not sure if DIY systems make enough co2 to hurt the fish at night, but if you can't turn it off it means ur water will have too much co2 in the evenings...
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post #10 of 13 Old 05-04-2011, 02:46 PM
Often you can use the filter to diffuse CO2 but not a HOB. I makes too much water and air contact which is going to aid you CO2 in gassing out. As far as turning it off at night. You can't with the nutrafin system. It doesn't matter though. Its a small yeast system on a 20 gallon tank. Along with the HOB being there its not going to get CO2 anywhere near potentually harmful levels.
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