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Whats the best way to clean a canister filter and keep all the biological filtration intact? I was thinking of just dumping the media into a bucket and rinsing in tank water. Anyone want to share their experiences?

TIA
 

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I take it outside.
Take the lid off and clean it very carefully separately.
I put a hose onto the top and let the water pour out the lower exit nozzle hose until the water runs clear (about 10 minutes).
Bingo...done.
The bacteria should reestablish itself in a few weeks. Meanwhile the plants have plenty of bacteria on them to take over the bio filtration work.

Steve
 

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Steve you can backflush the classic series without using a hose and killing your bacteria, there's no need to do all that. Just unplug the inlet hose and let the water syphon out of the tank through the filter, this used to actually be well described in the Eheim instruction manuals back in the day. For yearly cleanup, I tip the various media into a bucket of tank water, the bio media gets a little swirl but nothing more, everything else I rinse in tap water. Never lost the cycle doing it this way.

Hope that helps
Giancarlo Podio
 

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Weekly? Keeping an aligator in there? :lol:

Just kidding, I probably haven't opened my canisters in 6-7 months now but am using pre-filters so I'm sure that helps a lot.

That backwashing trick used to be so popular and well documented, now it's forgotten about and most newer canisters can't do it out of the box because both valves disconnect together. That's one of the biggest reasons I'm so loyal to the classic series, I love the valves being separate and replaceble with off the shelf PVC valves when time come to replace them.

Giancarlo Podio
 

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oohh... the stone age aquarist :wink:

Just kidding, brings back many memories of running buckets up and down my staircase :lol:

Actually I just started doing that again since I'm using RO/DI :roll: But will find a way to use my phython for that too eventually....

Giancarlo Podio
 
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