From reading on here, it sounds as though some of you loose water pressure when pumping uphill - like up to a waterfall. I'm curious about that...
I will not be pumping up to a waterfall - just up from the bottom of the pond and to a filter sitting on the side, for a total of about 4' or so, with a 900gph pump.
Will this cause any significant reduction in the efficacy of the filter, if water is not flowing through it as fast as it could? Or is 4' not a big deal?
Also, what about the speed of water coming out of the filter? It's pressurized, so I am running the tubing so it will tumble down some rocks and aerate the pond. Can I expect to still have 900gph after the water's been pumped up into the filter, and then out again, down my falls?