ammonia/ ammonium??? cycling problem
I am 5 weeks into a fishless cycle that seems to be going nowhere, and now i'm questioning if my ammonia readings are actually ammonium (since the API liquid kits test for TAN). Hope someone may have some advice about a next step to take!
Levels for the last 5 weeks:
Here is what i have:
10 g new, HOB with sponge filter new
ada aquasoil substrate (which leeches ammonia)
treated tap water also treated with stress zyme (original tap has ph of 7.6 with no ammonia, nitrite, or nitrate)
heavily planted with anacharis, swords, and java fern (already making babies!)
bogwod, two rocks
and in last two weeks planaria and malaysian trumpet snails have appeared (from plants i'm guessing)
because my ph is lower could my ammonia levels actually be ammonium?? or is my cycle just stalled because of low ph? if so what do i do? please help!
I'm assuming that if your tap water is pH 7.5 you are using CO2 which is lowering the pH to 6.2. Or are you doing something else to get the pH that low? The pH is my view is not causing the ammonia to rise, but I'd like to know the answer in case there is something else here.
What are you using to cycle instead of fish?
The above answers will help us.
It is rather well documented that nitrifying bacteria are not effective at converting ammonia to nitrite at a pH of below 6.4. Why are you maintaining a pH at such a low level?
I may have some suggestions when turkeyofthesea provides the info requested earlier.
IMO I believe it is possible to cycle a tank with a low pH, but it takes far longer than with a more neutral pH. I would try to increase you pH and see if it helps.
Weather it is ammonia or ammonium does not really matter, though there concentration do have to do with pH, the biological filter will use either one. Ammonium is one of the ways Prime works, it is less toxic than ammonia, but can still be used by the filter.
Depending on the size and type of the bogwood that may have some pH lowering characteristics... Just my .02
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