Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Nitrite Cucle nearing completion? (

verbosity 11-19-2007 05:31 AM

Nitrite Cucle nearing completion?
Alright I have had this tank only a few days.

But my ammonia seems rather low for one figure 8 puffer. He is a messy eater so a lot of food just falls to the bottom of the tank.

This was a used aqaurium and I did not change the bio wheel in the filter.
When I picked up the tank it looked like it hadn't been used in a while though.

Is my nitrate cycle barely starting or is it nearly finished?

I know it is mean to use live fish. However this fish was bought for me when I was sick and before I knew about the nitrate cycle. He's doing fine!!

Lupin 11-19-2007 05:51 AM

What test kit are you using? Unless my eyes are deceiving me, the results appear that you seem stuck to only ammonia.:blink:

verbosity 11-19-2007 07:33 AM
API Master Fresh Water Test Kit

This tank filter does use carbon.

Falina 11-19-2007 08:40 AM

Looks like your cycle is just starting. You will get readings for ammonia for a while, then they will turn to nitrites and then to nitrates. Your cycle is finished when you have 0 ammonia, 0 nitrites and a reading of nitrates under 40ppm.

The cycle could take anywhere between a few weeks and a few months, which is why I have stated "for a while" rather than giving any guidelines on how long each stage might be.

You have a good test kit however, so if you take regular reading you will see changes in the readings in time.

Good luck. :)

verbosity 11-19-2007 08:46 AM


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