how often do you clean a cannister?

I open my three Ehiems once a month and take out the fry that have been sucked up, replace the filter floss and check the impeller, check valve etc. At 6 months I put in a new filter sponge on the bottom as the plant mulm seems to start cloggin it up.

Alex
 
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My Eheim never shows any signs of being "overly clogged"...though it is pretty dirty when the times comes around to clean it, the weekly 50% water changes more than compensate for any pollutants coming from the filter.
 
Originally posted by Mrditty
I have three and I clean 1 every 4 months on a rotating basis.

80gJoe either you are way anal or have way to much time on your hands.
;)

Just like him I keep Discus in one of my tanks, but in all it takes me only about 3 hrs per week to do water changes on all tanks, clean 2 canisters, & 5 HOB. Then the next week I'll do the other canisters instead.
 
ive got a 135g tank with 2/ 7" oscars,1/4" texas,1/ large angle,2/3" convicts,4/small silver dollars,1/5" blood parrot,2/4"piktus cats,1/5"upside down cat fish & 2 small sucker fish iam running 2 fluval 404's i have got a smaller 35G tank that iam going to set up so as i can move some of the smaller fish out.
 
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