First DIY CO2, nervous about gassing fish. - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 01-21-2012, 04:52 AM Thread Starter
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First DIY CO2, nervous about gassing fish.

Hey so my tank is a 29 gal planted with amazon swords, crypts, and java fern. I set up the jello co2 today and within about four hours I have a steady 1 bubble every 2 seconds. Have a airstone as a diffuser right below the hob filter intake. My concern is the fish. I have neons, mollies, pair of rams, corys, and some amano shrimp.

I don't want to gas them out. I run a long air tube thing for aeration and my biowheel makes some good surface agitation.

I guess my question is at what point should I worry about killing my fish with co2 if at all?
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post #2 of 6 (permalink) Old 01-21-2012, 05:10 AM
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You won't with DIY Co2.
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post #3 of 6 (permalink) Old 01-21-2012, 05:23 AM
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Quote:
Originally Posted by FlyingHellFish View Post
You won't with DIY Co2.
Seconded. With a generic glass/ceramic diffuser, you'd need an absolute minimum of maybe 6 of the yeast reactors you have, in order to gas your fish. Probably closer to ten of them.

With an Atomic-style diffuser, and a JBJ-style bubble counter, 3 bubbles per seconds sends fish to the surface in my 25g setup. And you don't have an Atomic diffuser (a DIY yeast reactor won't do that much pressure).
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post #4 of 6 (permalink) Old 01-21-2012, 05:29 AM
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Originally Posted by kevmo911 View Post
Seconded. With a generic glass/ceramic diffuser, you'd need an absolute minimum of maybe 6 of the yeast reactors you have, in order to gas your fish. Probably closer to ten of them.

With an Atomic-style diffuser, and a JBJ-style bubble counter, 3 bubbles per seconds sends fish to the surface in my 25g setup. And you don't have an Atomic diffuser (a DIY yeast reactor won't do that much pressure).
yeah i really wouldnt worry about it, im running 4 2 liters on my 40b, i change one out every week, and i have no probs. also at night i run my ar stone on massive air pressure to give the plants o2 at night and to pretty much purge all co2 form the water. if by any chance u see ur fish at the top gasping for air get that stuff off asap. and creat as much o2 as possible. almost killed everythign in my 10 gal with 2 2liters that were 2 weeks old... was nice though cuz all the snails let goe of what they were on and were at the top so i got a bunch of them out
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post #5 of 6 (permalink) Old 01-21-2012, 06:31 AM
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I'd be more concerned about premature failure of your filter's impeller due to running your co2 through it.

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post #6 of 6 (permalink) Old 01-21-2012, 01:59 PM Thread Starter
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Yeah I'm a little concerned about ruining my filter but I do have a glass diffuser in the mail.
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