Quote Originally Posted by TCLynx
I know people regularly use hydrogen peroxide in hydroponics but they are trying for a sterile environment.

I think it has very limited use for aquaponics since we definitely don't want to sterilize our environment.

I've also heard of people using it to provide some dissolved oxygen in emergency situations but again, to use enough for this you may be killing off microbes in that tank that you are using it in.

+1 hydrogen peroxide will kill all bacteria good and bad