Can CO2 kill good bacteria?

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G

Gatorguy

AC Members
Jul 31, 2006
26
0
0
Central Fl
Does anybody know if injecting CO2 before the canister filter will have a negative effect (i.e. kill it) on the good bacteria that should be growing in the filter? Do you have any online sources that I can read that says yea or nea??

I never thought it would be a problem, but after I learned how much it eats up air tubing, and given my current massive problem
I got to wondering.
 
R

reiverix

Aye
Sep 4, 2004
1,470
0
0
55
Columbus, OH
The bacteria in your filter rely on oxygen. As long as they have a good supply of O2 then injecting CO2 will not have any negative effects. Obviously you can inject too much CO2 but your fish will let you know about that.
 
G

Gatorguy

AC Members
Jul 31, 2006
26
0
0
Central Fl
Ok. Does anybody know the pH at which the "good" bacteria will suffer? Is it the actual pH or just a relatively sudden pH "shift"? Surely the bacteria is fine at 6.6ish, right?
 
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