The Planted Tank Forum - View Single Post - H2O2 experience (BAD ONE)
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Old 01-10-2013, 01:53 PM   #36
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Originally Posted by funkman262 View Post
Yes, aerobic bacteria can be resistant to peroxide (as I already discussed)...
That's pretty much the classic diagnostic test for aerobic bacteria- add H202 and watch it fizz. Anything that "breathes" oxygen has it in spades, since peroxide is formed in huge amounts as a side product. If organisms (including animals and plants) didn't have a way to deal with it, they'd off themselves fairly quickly.

Superoxide dismutase and catalase. Don't respire without them!
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