it might be hard to see but behind the upright are a few baffles, there is no way any macro is going to get thru that and then past gutter screen to block the return pump.
__________________
Given sufficient thrust pigs will fly just fine.
90 Gallon LPS tank - Challice, Acans, Favia, Diplo and Zoos
125 Gallon SPS Coming Soon!
|