Tank cycle advise needed please - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 6 Old 03-18-2010, 04:14 PM Thread Starter
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Tank cycle advise needed please

set my tank up last week and started a fishless cycle 5 days in and i had ammonia levels of 7ppm and also started getting desent readings of nitrite i think i might of added to much ammonia so as the nitrite was building up the ammonia wasent dropping so today i carried out a 40% water change and now the ammonia levels are around 4 - 5 ppm and hpoefully i should see the levels drop evenly i was just wonderin if the water change will affect the cycle at all thanks dave
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post #2 of 6 Old 03-18-2010, 04:30 PM
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No, it should not affect the cycle. In fact, I believe an ammonia level of 4-5 is where you want it in a fishless cycle. 7ppm is pretty high and may actually stall the cycle.

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post #3 of 6 Old 03-18-2010, 04:36 PM Thread Starter
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thats what i think happend because it hasent budged for two days hopefully now it will get going now cheers for the responce
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post #4 of 6 Old 03-18-2010, 05:08 PM
Be patient, fishless cycling doesn't always happen instantly either, but its worth it.


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post #5 of 6 Old 03-18-2010, 05:54 PM Thread Starter
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done the water change now ammonia is 4 - 5 ppm so it should work now cheers for the advise
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post #6 of 6 Old 03-18-2010, 07:01 PM
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Dechlorinated water is imperative. If you don't use dechlorinated water you will recycle that tank for a long time as the bacteria might die from the chlorine.

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