Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   When to add new fish? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/when-add-new-fish-2566/)

Neufusion 01-17-2007 07:45 PM

When to add new fish?
 
I have 3 tiger barbs in a 26 gallon tank which has been running well for about 7 days.

I am anxious to add new fish. :)

Is it safe to add a new fish or two now?

How slowly should new fish be added to avoid a huge ammonia spike?

Lonewolfblue 01-17-2007 07:55 PM

7 days is not long enough to cycle the tank. Do not add any more fish until it cycles. You will get an ammonia spike, may take a week or 2. Then after that, you will get a nitrite spike. After both ammonia and nitrite go to 0ppm, you are cycled, and can start adding fish, maybe 3-4 fish every 2 weeks, til you are stocked. Remember, cycling can take 6-8 weeks, sometimes longer, sometimes shorter.


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