How Do You Do

[Dude]

?

 

[Phoenixfish]

add 1-2 hardy fish,
wait till the No2&3 build up
from then do 10-20%water change daily untill the levels drop down to 0
and next fish and so on

 

[docbanzai]

?

Try Here... for useful info. Hope it helps and good luck.

DB.

 

[Phoenixfish]

or use that lol

 

[@ombomb]

There's no reason to cycle a tank with fish other than impatience and that's not a good trait if you want to have a healty aquarium.

 

[freddyk]

Cycling fish needs just as much patience, considering how few fish can be added at a time, more so because the process is drawn out, where in a fishless cycle you can fully stock the tank after seeing it empty for a month. Now, there is no doubt fishless is the safest route for the fishes health, but using a discreet number of fish can lead to a successful livestock cycle and, believe or not, cycling with fish continues to be the staple of the hobby in real life and the question wasn't really answered, except for phoenix's brief response.

Dude, as Phoenix says it's about adding a small amount of livestock vs the amount of water. 1-2 fish is all you need for a smaller tank, and the larger the tank, the more you can add. Use common sense, test the water regularly, and most important, don't add more fish until a month has gone by, and then add no more then you started with in the first place. With a trio of small fish like tetra's in a 30 gallon tank you can get through the cycle without ever registering the toxin levels - this is good because the fish won't be affected, but when to add more becomse a judgement call since now that we've succeeded in not raising the toxin levels we have nothing concrete. The other thing important in cycling with fish is to feed lightly and make sure nothing gets uneaten.

The biggest trick of all is to obtain bacteria from an existing tank. Place gravel, filter floss, or whatever you can get into your own filter and then the bacteria is already there and the cycle would be pretty much instant. The number of fish you would add depends on how much media you got. If you just got a handful of gravel then you're looking at just adding a few fish. If you managed to fill your filter completely with established media from someones larger tank then you'd be able to fully stock your tank.