How long does a tank stay cycled w/no fish?

Mean Harri · 03-25-2010, 07:15 PM

What's the chance of closely calculating the amount of ammonia deposited in to a tank with a stocking of fish including food? Then dose pure ammonia as mentioned by the back of the head guy lol.

aunt kymmie · 03-25-2010, 07:18 PM

Quote:

Originally Posted by JohnnyD44

and what are our plans for this 10G???

It's my 10gl hospital tank that is now empty. It's a cycled tank and I'm trying to figure out how to keep it that way since there are now no fish in it.

MOA · 03-25-2010, 07:22 PM

hello,

These are not super-scientific sources, and not really germane

, but these might add to the discussion:

http://www.screencast.com/users/MOAt...b-4c70306664f3

http://www.screencast.com/users/MOAt...c-88c0b213f13b

The above can be accessed in context here: http://sites.google.com/site/moashow...als-and-videos

MOA

jeaninel · 03-25-2010, 07:47 PM

Quote:

Originally Posted by Ulyaoth

What about if you go from 7 fish to 1 in a 16g? Will the one still support the bacteria enough or will there be a dieoff still so that I'd have to slowly add the fish in again rather than just put them all back? I've been planning to put all the fish in my tank but my betta outside in a tub pond for the summer.

I believe what happens is that the bacteria colony will die off to just the amount needed to support the ammonia source. Since their food supply dwindled so does the colony. So there will be some die off. You'll have to add fish back in slowly to give the bacteria colony time to catch up. Make sense?

aunt kymmie · 03-25-2010, 07:54 PM

@ MOA- I see your name posting to my thread and I *shudder*. The person who reminds me how lacking my education is in math and science. Thanks for the links.

@ Jeaninel- makes perfect sense. Since at best (hopefully anyway) the most I'll be treating at any one time will be one fish so I should be able to keep it cycled well enough for that when that day arrives.

Thanks for all the replies.

JMILLER · 03-25-2010, 09:50 PM

If it's your hosptal tank filter just run it along side a regular filter in one of the other tanks. That way it will always stay cycled for when you need it.

"back of the head guy"

aunt kymmie · 03-25-2010, 10:06 PM

Quote:

Originally Posted by JMILLER

If it's your hosptal tank filter just run it along side a regular filter in one of the other tanks. That way it will always stay cycled for when you need it.

"back of the head guy"

"back of the head guy" has brains in there. Great idea! Thanks.

1077 · 03-26-2010, 01:47 AM

Quote:

Originally Posted by aunt kymmie

Thanks for the info. I guess a few flakes of fish a day ought to keep it cycled. It's only a 10 gl.

I have a quarantine tank that I keep a few trumpet snails in to keep the biological filter working. Just sprinkle a little food in the tank every other day for snails and the waste produced by them does a fair job. Trumpet snails won't munch the plants like some of the others.

karjean · 03-26-2010, 04:52 AM

Good idea 1077 with the shrimps, my recommendation was to probably keep a sacrificial fish in it.

iamntbatman · 03-26-2010, 04:52 AM

JMILLER stole my idea. Just move the filter to an occupied tank temporarily to keep the bacteria well fed and alive.

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