Will putting in a dirty filter speed up cycling?

  • We are currently upgrading MFK. thanks! -neo
Okay results 0 ammonia, 0 nitrites and 0 nitrates. I think im good to go!
 
You cycle the filter, not the tank. If it was a cycled filter, it is a cycled tank. However, with 0 nitrates, you better get some fish in there fast, or the bacteria in the old filter will die from starvation.
 
Okay I moved 3 fish to it now! Thanks
 
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