Tropical Fish Forum
Tropical Fish Keeping Help and Advice => General Fishkeeping advice => Topic started by: bferg4 on March 05, 2015, 02:07:28 PM
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If I add new a filter to an already established tank will I experience another cycle? I'd like to replace my HOB filter, just wondering if there is a "safe" way to do it? Not sure if I could transfer filter media over? Would that depend on the type of filter I go for?
Thanks.
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The best way is to transfer media over.
What exactly does your HOB have in it? And what filter are you swapping to?