Im kindof at the point of saying goodbye to canisters. I've basically just reduced the number of them that I have. Ive got a couple not in use, including a pristine fluval 406 with a new oring, impeller, shaft, and cover. I Just dont feel like setting it up.
I went canister crazy a few years ago. basically I felt canister filters were the supreme master race of filtration and only peasants used other means. Only cool kids use canisters i repeatedly told my self. Soon I found the error of my ways and replaced my African tank's filtration with a sump and the other with 2 HOB's that were sitting unused.
They are great if you stay ontop of maintenance. I agree with the whole "if you cant make time, dont keep fish" argument. But My time is limited, I work 6 days a week with a long commute, I have a pregnant wife, a stupid puppy, and a newly widowed mother with an old derelict house to look after. I have to make my tanks easy and quick to service. The easier they are, the more likely I am to do it after a 10 hour work day. And admittedly that doesnt happen often if I have to drag some leaky bucket of slime into the bathtub and make a huge mess lol.
It's about finding canisters that work for you. I fell in love with my fluvals. I had media in bags, I set them aside in a bucket of tank water and power washed the sponges. I hated servicing my ehiem, stacking the little sponges and beads, making my little eheim sandwich. I knew how to prime the eheim, but evem after the 100th time it never felt any less aggrivating. The fluval was a nice fill with water, hit the plunger twice, done deal.
Admittedly, if it werent so ugly, I'd just use sponge filters. End of story
:edit:
Ive never had a canister leak per say- never from the oring on the head. I always kept em lubed. My eheim leaked twice from the stupid quick disconnect valve. Though
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