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post #1 of 3 Old 05-07-2012, 12:25 PM Thread Starter
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established tank no fish

i have a tank thats been up for 4 months. its had no fish for two weeks. how long will good bacteria survive without fish in tank?
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post #2 of 3 Old 05-07-2012, 12:36 PM
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Originally Posted by marshallsea View Post
i have a tank thats been up for 4 months. its had no fish for two weeks. how long will good bacteria survive without fish in tank?
Would depend largely on amount of organic's on or in substrate for bacteria to feed on.
At two week's without fish, or daily pinch of fish food to keep biological filter ticking,, I should think the bacteria will have died back considerably.
Would add fish slowly ,very few at a time, and be prepared to change water if ammonia/nitrites become elevated which could happen until bacteria is able to reproduce in porportion to the number of fish added.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #3 of 3 Old 05-07-2012, 12:40 PM Thread Starter
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Originally Posted by 1077 View Post
Would depend largely on amount of organic's on or in substrate for bacteria to feed on.
At two week's without fish, or daily pinch of fish food to keep biological filter ticking,, I should think the bacteria will have died back considerably.
Would add fish slowly ,very few at a time, and be prepared to change water if ammonia/nitrites become elevated which could happen until bacteria is able to reproduce in porportion to the number of fish added.
thanks
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