Randy Holmes-Farley
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My Tank Thread
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I use an oxydator - I do not use it to 'kill bacteria' or 'kill anything' - the concentration that anyone is using would seem to be far too low to 'kill anything' - unless its direct contact (i.e. sprayed directly onto algae, etc). Is there really a thinking/concept out there that aside from increasing dissolved O2 - some - that there is another benefit to H2O2? H2O2 when exposed to organics and even light - rapidly decomposes to O2 and H2O - I cannot conceive it floating around the tank - killing bacteria on rocks or anywhere else Right?
The local concentration is high in the spot where it is actually added.
I personally suspect that may be why ORP declines when adding a material that should raise ORP: because it kills bacteria locally in the water and they spill their low ORP guts.