“It works fine once you've got it primed, however, the primer button is poor and I had to prime the old way, the media trays look really frail and are awkward to access.
I've used Ehiem filters 20+ years, i'm disappointed with the pro 4+ 600 and prefer my pro ll”
“One of the best if not the best filter around. Only thing what lets it down is you don't get a lot of hosing especially if you have a large tank, otherwise would be 5 star”
