What are the outcomes of DIY Yeast CO2 injection & Air Pump?

6732 Views 7 Replies 4 Participants Last post by Bert H, Dec 31, 2008

EQUINOX

Discussion Starter · Dec 26, 2008

Hey guys,

I have a 180L unplanted aquarium.
I've been reading for quite a while and want to build a DIY CO2 Injection Kit.
BTW, I'd appreciate any recommendations..
Let's say I built this next setup:

Now, I have an air pump that insert air into an under gravel-buried air stone.
Small bubbles come up from the gravel, it looks nice and I bet it's way enough for the fish.
Now, what happens if I insert CO2 with a DIY reactor using lets say power head..?
Assuming I get nice dissolving, what are the outcomes of water saturated also with air from the air pump?
Will I lose the affect of the CO2?

Thanks.

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Bert H

· #2 · Dec 28, 2008

Typically you want to minimize gas exchange between the water and the atmosphere so you don't offgas the CO2 you're generating. What a lot of folks do is run an air stone at dark times to maintain higher O2 levels. During light time, personally, I wouldn't do it, especially with diy, as it is much more varied in output than pressurized.

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EQUINOX

Discussion Starter · #3 · Dec 28, 2008

Okay, that seems logical.
But my population includes two Clown botia two Silver Sharks, One Ramirez, one Zebra Danio and one placo cat-fish.
I think that In the current state of the aquarium, planted with three Anubia rhizomes, it can't supply enough O2 from pearling..

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PRJCT92EH2

· #4 · Dec 29, 2008

Just make sure the spraybar from your filter is high enough to make ripples on the surface. That will provide enough Oxygen. Also, pull your anubias out of the gravel and tie them to your driftwood before they rot.

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Bert H

· #5 · Dec 29, 2008

Also, pull your anubias out of the gravel and tie them to your driftwood before they rot.

If your rhizome is buried, it will rot. If only the roots are buried, you're ok.

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EQUINOX

Discussion Starter · #6 · Dec 30, 2008

Okay!
Problem is that the roots are to short (I also cut the a little to energize them) and the leafs are big.
When streams hit the leafs it pulls them out..
If the rhizome are tied to a tree and the roots won't feed of the "poo" in the gravel, would it kill them slowly?

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chagovatoloco

· #7 · Dec 30, 2008

It is not about the roots feeding, the roots are not very important in that plant. Just make sure the rhizome is above the gravel.

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Bert H

· #8 · Dec 31, 2008

EQUINOX said:
Okay!
Problem is that the roots are to short (I also cut the a little to energize them) and the leafs are big.
When streams hit the leafs it pulls them out..
If the rhizome are tied to a tree and the roots won't feed of the "poo" in the gravel, would it kill them slowly?

Except for a few heavy root feeders, aquatics get their nutrients via their leaves, so don't worry about the Anubias roots not being in the substrate. You can attach them to wood, or rock. If you attach to a rock, just set the rock on the substrate whereever you want it. The only word of caution is not to damage the rhizome when you attach it.

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