How fast is ammonia produced? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 06-19-2012, 11:47 PM Thread Starter
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How fast is ammonia produced?

Are there any estimates/numbers on the rough ammonia (and hence nitrates) are produced? I know there are multiple sources of ammonia - over feeding, fish excrement, etc.

I.e., a fish generates N ppm/gallon, or something similar.

Is this something people have payed attention to or measured? General rules of thumb or observed values would be great.

For example, if I put a few fish (say 10 2" tetras) in a 10 gal BB tank, how fast would I expect the nitrates to go up? Not that I'm proposing this, I'm trying learn from the general experiences out there.

Thanks!
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post #2 of 5 (permalink) Old 06-20-2012, 12:00 AM
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I could be wrong, but I think there are just too many variables to put a number on it. How long has the tank been running, how heavily planted, how much you feed, what type of fish, etc. 10 2" fish in a 10 gallon tank is pretty heavily stocked though. I have a 7.5 gallon tank with a betta and an oto and the nitrates hover around 5-10ppm. I do a gallon water change about every 1.5 to 2 weeks. On the other hand I had 6 goldfish in a 55g temporarily and was doing 2x weekly 50% water changes to keep the nitrates below 40ppm.
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post #3 of 5 (permalink) Old 06-20-2012, 12:26 AM
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this depends on the fish.
some make more waste than others, and it also depends on how much you feed them...
well basically what the last person said.
this is gross, but think of it in terms of humans- not everybody makes the same amount of waste, it's not really something you can calculate.
you could have an average i guess, but there would be big outliers...
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post #4 of 5 (permalink) Old 06-20-2012, 02:15 AM
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Ammonia is produced in hours after fish have been added o a tank. How much depends on feeding and the efficiency of the fish digestive system

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post #5 of 5 (permalink) Old 06-20-2012, 02:21 AM Thread Starter
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I threw out the 2" x10 just a number I picked out of thin air.

I guess I was really fishing to see if anybody has measured it. I've heard gold fish are messy eaters.

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