Tropical Fish Keeping - Aquarium fish care and resources

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-   -   cycling question (

cullens089 08-10-2007 05:15 PM

cycling question
ok so i test my tank every other day and also do a 25% water change and still cant get my nitrites down. there still at 2.0 for a week. while my ammonia is at zero and my nitrates at 5.0. these numbers stay about the same with not much change. any help other then using a chemical to get the nitrites down.

jones57742 08-10-2007 06:10 PM


Something is really wrong here but please do not use chemicals.

1) Are you cycling with fish or doing a "fishless cycle"?

2) Have you checked your tap water for nitrites?

3) Have you checked your tap water after adding a dechlorinate for nitrites.

4) What type of and how much of biological filtration media do you have?


cullens089 08-10-2007 07:46 PM

1. im doing a cycle with fish

2. no i havent but i will

3. no but i will now and give results

4. i have 2 penguin bio-wheel 350 and a whisper 100 bubbler

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