how long does it take for a filter pad to build up BB?? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 08-16-2014, 10:35 PM Thread Starter
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how long does it take for a filter pad to build up BB??

If I throw in 2 new filter pads from a small hob filter into.my canister on my 75g how long does it need to sit in there before there is bacteria build up on it??

I have a big bio load in my 75g

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post #2 of 5 (permalink) Old 08-16-2014, 11:17 PM
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When I setup my 10 gallon tank, I put the sponge filter in my 29 gallon tank's HOB filter for a week.

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post #3 of 5 (permalink) Old 08-17-2014, 12:29 AM
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Depends on how big a population of bacteria you want. They start colonizing it right away, but are slower growing than many microorganisms.

I would give it at least a week just to get a starter colony going.
A month would give it a much better population.

If you need bacteria right away the better way is to swap some filter media: Take media from a well established tank and put it in the filter of the new tank. Put the new media in the old tank.
You can swap them back after a while, but as above, I would leave it at least a month.
Then the new tank will also have some bacteria building up on the surfaces inside the tank, too.
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post #4 of 5 (permalink) Old 08-17-2014, 02:39 PM
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Growing Bacteria

Quote:
Originally Posted by philipraposo1982 View Post
If I throw in 2 new filter pads from a small hob filter into.my canister on my 75g how long does it need to sit in there before there is bacteria build up on it??

I have a big bio load in my 75g
Hello phil...

Bacteria begins growing when there's a combination of ammonia from the fish waste and oxygen from the air. If there's plenty of both, the good bacteria can reproduce very quickly. I'd say a week or two would be plenty of time to have a healthy bacteria colony to support a small tank with a few fish in it.

B

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post #5 of 5 (permalink) Old 08-17-2014, 03:07 PM Thread Starter
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thanks.

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