07-17-2012, 05:59 AM
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I agree. I hope this is a no-fish cycle, particularly with a high pH.
"What this means is, in basic water (pH higher then 7.0) it’s possible for less harmful ammonium to convert into dangerous ammonia."
Ph & Ammonia | Betta Fish Care
Also, your ammonia is 0, which is normal at the beginning of a cycle or once nitrites have started to accumulate. The friendly bacteria that consume ammonia will slowly reproduce and convert the ammonia to nitrite, which is also more toxic at high pH.
".... freely-suspended cells had a pH optimum of 7.5 and a pH minimum of 6, which was reduced to 5.5 at lower initial nitrite concentrations."
This bacteria is of the Nitrobacter family, that apparently converts nitrite to nitrate, but I think the information is about the same for our bacteria.
Last edited by Nemo the Clownfish; 07-17-2012 at 06:04 AM..