OK I can see the balls in a W/D on a swim tank, but a FOWLR is dumbly redundant, IMO . You pay out the nose for a prefab wet/dry and rock isnt cheap so you are paying too much in my estimation. Most people who have FO are going to max bioload most likely so even with Live Rock, you will still need to do regular water changes esp if its a big aggressive tank.
How about this scenario for an aggressive swim tank;
Some Rock forming tunnels and caves
Closed loop for decent circulation, little or no substrate
Overflow drains thru
filter pad then trickles down bio ball tower feed into
an algae chamber with approx half or better the tanks foot print passing on to a Big honking
Beckett style skimmer
Flow thru rate about 4-500 gph, so what if the skimmer reskims water 2x before it goes back to the display
OK its a modified ***system setup without the Topango wet real estate and using a serious skimmer
