How long until bacteria grow on sponge?

ldymcbeth6

ldymcbeth6

AC Members
Jan 21, 2008
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Illinois
I have an established, cycled tank. If I put a sponge in the filter to collect bacteria to use in cycling another tank, how long do I have to leave it there?

Can I leave it in there all the time and take it out to use in a QT tank when I need one?

Thanks.
 
Why not replace a sponge out of your established filter with a new sponge and put the used one in the new filter in the new tank
 
shirlz said:
Why not replace a sponge out of your established filter with a new sponge and put the used one in the new filter in the new tank
Click to expand...

because then she would be removing established media from the tank, and that would cause a mini(or not so mini) cycle.

by placing the clean sponge in the established filter, you prevent any sort of cycling issues AND seed a new sponge.
 
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