Anyone know what the highest flow Dc pump is ?

You did ask ---
Most DC pumps will NOT handle head pressure well.
You can look @ Royal Exclusive but I'm not sure if they flow that much.
Sit down again.
 
I've used the older generations of DC12000 and a newer DCT15000 without any issues at all. The 2 DC12000's have been running for a couple of years.
 
I just ordered a couple. Thanks guys



I'll have you know that mine is nearly two years into service as a return from my basement sump and I still can't tell if the thing is on. :)

My dream tank will likely have an RD3-80 return with the sump nearly level with the display, and a couple or three -230's running closed loops.
 
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