Sorry for the very very late reply, I don't get on here much anymore. The pump ran continuously and did an ok job of filtering out some of the junk but it wasn't great. In hind sight if I could do it again I would use a sand filter from a swimming pool. Now that being said if you choose this...
Alright...I just dug a hole next to the pond and bought a plastic storage tub and a plastic dish pan from walmart along with some aqua-tech 20-40/30-60 fez-change filter cartridge's and zip ties, scotch brite pads, i also got a oil less sump pump from atwoods. Also if you have a place to get...
Didn't take the time to look through everyones posts before reading so forgive me if someone has already posted this idea.
I have been using a skim filter type to keep the water "clean" it doesn't stay crystal clear but i can still see the bottom after 3 days.
I'll upload pictures momentarily...