U2 Filter

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U2 Filter

Postby Miggy » Mon Nov 02, 2015 6:49 pm

Just brought a new underwater filter, is it alright to put new filter in when I do my water change or will it harm my fish.
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Re: U2 Filter

Postby Rockfish » Tue Nov 03, 2015 6:00 pm


Did you mean is it a good time to add the new filter immediately following a water change, or were you referring to changing media?

Either way, I would run the old filter (if it's still working) alongside the new one for a couple of weeks to give the new filter chance to become biologically mature.

Remember there's lots of info at The Tropical Tank main site!
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