I did these tests 10 min ago. I cleaned my filter Saturday. The head height on the pumps is about 30 in.
Eheim 2213: 66 gph
Mag drive (250gph): 72 gph
I am astounded. The mag drive should be at 180 gph once you factor in my specs. I want the flow to be stronger! I still get surface film and I want my plants to wave. What should I do guys?