best CO2 diffuser? - The Planted Tank Forum
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post #1 of 7 (permalink) Old 02-13-2013, 10:12 PM Thread Starter
Algae Grower
Join Date: Nov 2012
Location: Pottstown, Pa
Posts: 55
best CO2 diffuser?

So I have a DIY Co2 gig going on, sugar and yeast, the diffuser I use right now is a the end of a cheap chopstick. Works okay, makes very small bubbles, however I feel like the diffusion could be better. I was looking at the fluval diffuser which looks kind of like a ladder. I guess the co2 is absorbed as the bubbles climb up the ladder. Anyone have experience on how well it works?
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post #2 of 7 (permalink) Old 02-13-2013, 10:17 PM
Planted Tank Obsessed
Join Date: Apr 2012
Location: Los Angeles, CA
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Everything i've read about the fluval ladder has been negative. Is the (free) chopstick diffuser working well enough? Don't fix what ain't broke..
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post #3 of 7 (permalink) Old 02-13-2013, 10:49 PM
Planted Tank Obsessed
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do not use anything that resembles a bell or ladder if you want very good diffusion.
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post #4 of 7 (permalink) Old 02-13-2013, 11:52 PM
Algae Grower
Join Date: Oct 2012
Location: Dubuque, Iowa
Posts: 44
A power head works pretty well, but I would agree with TwoTacoCombo, if the chop stick is working well enough why change it?
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post #5 of 7 (permalink) Old 02-13-2013, 11:54 PM
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Join Date: Jan 2013
Location: East Prov RI
Posts: 80
I used the ladder before.....Do not care for them......Seems like you donot get enough of the bubble to dissolve all the way....I belive in spinning co2 with the water...Check this out

I am using a small power head.......I am still working on it to look better. I am calling it the TORNADO Co2 Injector.
The output at the end is very little or no co2 bubbles exiting my unit and to me means I am dissolving most of the co2 into the water column.

pat pending LOL


Last edited by ronnie6989; 02-14-2013 at 12:06 AM. Reason: added text
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post #6 of 7 (permalink) Old 02-14-2013, 12:57 AM Thread Starter
Algae Grower
Join Date: Nov 2012
Location: Pottstown, Pa
Posts: 55
I want to change to a different diffuser because a lot of bubble make it to the top of the tank and are thus not getting dissolved. I also want to change it because I need to change the chopstick every two weeks or so because it's such a soft wood that it dissolves and grows slime really well that ends up clogging up all the nice little holes that should be used for co2 ^_^

ronnie...that's pretty awesome! how did you make it?
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post #7 of 7 (permalink) Old 02-15-2013, 04:10 AM
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Join Date: Jan 2013
Location: East Prov RI
Posts: 80
I used a small power head.......that is one of those dollar store egg cookers that you put in the microwave..... any thing that is round about 2-3 inch wide. co2 comes in on top with the tank water......water exits on the bottom at the hole I drilled......the trick is the top hole you drill is got to be off center so water moves like a tornado .....mine also gets slimmie but does not clog....If you want more help.....just im me pirasha and I will get back to you....
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