CO2 bacteria help!

  • We are currently upgrading MFK. thanks! -neo

nvrmor2paradise

Feeder Fish
MFK Member
Dec 10, 2007
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Tampa, Fl. USA
www.nvrmor.com
I have just recently developed a problem with my diffuser. After letting my ferm-type co2 run down and completely rescaping and replacing fish, I restarted my co2 with a homemade mod to improve my co2 output.

Basicaly I combined two Nutrafin co2 systems together using check valves and then planned on recharging them on alternating cycles to more precisly regulate continuios output without the "up down, up down" that is consistant with ferm-type co2.

However, after this last recharge, my co2 lines have begun to cloud below the water-line and I have developed some type of bacteria growth at the output of the co2. This "white pillowy cloud" easily is cleaned but grows back just as quick.

What is it? How do I eliminate it and prevent it from returning? It is currently blocking the co2 output preventing proper operation (too big of bubbles). I have used this diffuser (and one identical to it) for 18 months with no problem. My recent rescape required a 80-85% water change and I also cleaned the diffuser at the same time and it still came right back. I had no idea that bacteria could thrive on co2. Makes no sense. BTW, no yeast managed to get into the lines. The lines are clean and dry. I would have a pic but as soon as I see it I remove it with my pro tool (a turky baster lol).
 
I assume the cloud is fuzzy? This is kinda normal, and it's not bacterial in nature. I've seen this come up on my wooden air diffusers in one tank, and never in another tank.

maybe take the diffuser out, let it air dry, then return it to the tank. I've not really let it become a concern for me.
 
The fuzzy stuff you are seeing is due to small amounts of the mix in your nutrafin escaping through the tubing and creating a deposit where it meets the water. It seems to be harmless and is easily removed. You may want to change the airline tubing just in case the build up is not in the line as well and restricting co2 flow into the tank.
 
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