Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Cycled Tank??? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/cycled-tank-6417/)

tsalvageboy 06-11-2007 03:32 AM

Cycled Tank???
 
Been cycling my tank now for five days. Here are the bi-daily stats...

Day 1 stats: pH= 8.0
Ammonia= .50ppm
Nitrite= 0ppm
Nitrate= 10ppm

Day 3 stats: pH= 8.0
Ammonia= .75ppm
Nitrite= .50ppm
Nitrate= 10ppm

Day 1 stats: pH= 8.0
Ammonia= 1.0ppm
Nitrite= 1.0ppm
Nitrate= 10ppm

I obviously don't have to worry about pH and Nitrate, but the Ammonia and the Nitrite are on the rise. I just installed the 4 bio-filters tonight (came in the mail). The "Bio-filter" will start to kick in in the next few days but i might not want to wait. I have seen some chemical additives that convert the ammonia and nitrite to harmless chemicals instantly...Do these work? If i put them in the tank hours before the fish go in, will it harm the fish? When i was less informed about fish keeping i would put the cichlids in after a week of cycling, and they would do fine. With the additives and and the week do any of you see a tank full of dead fish in my future?


Thanks for any advise and honest opinions...

Tim

:D :D 70 gallon malawi mbuna tank ready for fish!!!! :D :D

http://i35.photobucket.com/albums/d1...y/IMG_1509.jpg

leifthebunny 06-11-2007 08:57 AM

Gorgeous tank. :)

What are you using to start ammonia? That's pretty high to start off with on day 1.

As for the tank being cycled, wait until the Ammonia and Nitrites are reduced to 0. Levels of 1 ppm for ammonia and 4ppm for Nitrites are fatal for a lot of fish. It also builds up in the fish's system so even if the levels drop, there is the potential to kill a fish from ammonia poisoning.

As for additives to quick start cycling, I use Nitromax and have cycled tanks in 2 weeks with a low bioload. You just need to be careful in slowly adding in new fish to allow the bateria to build up to handle the loads.

mHeinitz57 06-11-2007 10:40 AM

Yeah, I am curious too too see what you are using to produce ammonia in there. Are you adding pure NH3? The conversion to nitrites that quickly is stunning too, are you using bacteria additives? It looks like you are on your way and yeah, you want to make sure the Ammonia and Nitrite decline back down to zero and you have a steady build in Nitrates. That means there is enough bacteria colonized to handle a bioload (at least a small one). I've never tried Nitromax but I reccommend Stability by Seachem. I also was able to get my tank cycled in 2 weeks with it. Cyle and BioSprira are good too.

miagrrl 06-12-2007 09:55 PM

thats a mighty nice set up! just curious, what are you going to stock it with??? i agree- wait till ammonia and nitrite are at zero, then add a SMALL load. i usually add 2 at a time in my 30 gallon. initially you won't have enough bacteria to support more than one or two fish.

mHeinitz57 06-12-2007 11:10 PM

good advice miagrrl. Only enough bacteria grows in your tank to support the current bioload. Adding a small amount at a time ensures that the bacteria will be able to handle the load being produced.


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