My RM.01 sen thought is as long as it does what it says, I what you guys are saying has already been addressed by the higher end model. So not much to say really unless Eheim intends to come up with 2028 pro III series to incorporate our collective peeves with what is already a very good filter. I think Eheim is very concerned that there is a direct drop in flowrate due to poorer manufacturing QC. [which I think is highly improbable]
So far the gasket is not my favourite item followed by the impeller. I don't even look at the ball and notch thing. Different weight ball perhaps. Could you guys do a simple test without media and see if the out put is accurate/close? A simple how many seconds it takes to fill a 1.5 liter pet bottle for a rough guide? Do some math to get it to Gallons/hour.
I would do mine on the next maintenance and see how it goes. I'd do it tomorrow since it's almost due anyhow. [bearing in mind my 2028II is at least 4 years old. LOL] Will do one before maintenance, without media and after media is put back in.
You can if you dare to fail - Stan Chung
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