The water is certainly clearer with socks, I would love to be in a position to get a couple of days out of a pair, I get 1 day most out of a pair of 7inch wide, 14 inch long ? I'm return pump does appear to be more active than I need though. 3200 gallons per hour, with 2 WP 60 powerheads, I certainly turn the water over enough for a fowlr tank. I am considering ramping down to 600gph to try and reduce the flow and socks