Filter change over, how long to run side by side?

oatfish

Member
Joined
8 Aug 2007
Messages
96
Hi Everyone, I first set up my planted tank with an internal filter which has been fine for the last 3 months.
I put an external thermo filter on the tank a week ago to increase flow/ improve the look of the tank. How long until I can remove the internal filter? There's no hurry but it does look ugly!
Thanks:)
 

alto

Member
Joined
24 Dec 2014
Messages
5,987
Just transfer the media from the internal filter over to your new canister filter (likely done with significant room for additional new media), then ditch your old filter
 

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