simple ( yet not pretty ) CO2 diffusion assistant - The Planted Tank Forum
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post #1 of 2 (permalink) Old 01-04-2011, 01:29 PM Thread Starter
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simple ( yet not pretty ) CO2 diffusion assistant

Im sure many folks have done similar to this so its not new, just thought I would share.

I have CO2 in a 12g long tank and was using a ceramic diffusor--the problem was that the tank is so shallow that the bubbles---no matter how fine the mist--make it to the surface and do not spend much time in the water column. I tried several methods to solve this problem---added a Mini Elite filter with the CO2 mod--hated the sound ( the tank is beside me in the living room ) tried running it through my canister filter ( Zoo Med 501 ) again0hated the noise. The filter isnt really designed so that I can easily make a reactor for it ala Rex's because of the small tubing and the fact that the filter sits on the same level as the tank.

So, I took the sponge from the mini Elite filter and slid it over the CO2 tubing and placed it above the diffusor in the tank. This catches the mist and allows it to sit in the water column longer and my CO2 levels are better and plants are all pearling. The only down side is that the black sponge doesnt look that good--no biggie though, its small.
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post #2 of 2 (permalink) Old 01-04-2011, 02:19 PM
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I thought about doing something similar by just placing the diffuser directly under the the prefilter sponge on the intake. Thing is, the shrimp really love to work over the sponge and not sure they would appreciate the gas bubbles they may encounter down the road.
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