I've never owned an Eheim, so I personally couldn't say.
I clean my 405 every two weeks. It has quite a bit of sludge in it by then, but is still going strong. Mostly it's the sponges/floss that need to be cleared of junk at that point, but I always rinse the bio-max in old tank water too.
I've never owned an Eheim, so I personally couldn't say.
I clean my 405 every two weeks. It has quite a bit of sludge in it by then, but is still going strong. Mostly it's the sponges/floss that need to be cleared of junk at that point, but I always rinse the bio-max in old tank water too.
Rokuzachi 5 months ago