I punched a hole in the side of the house so i could bring air in for my skimmer.

Great in the winter took it off in the summer as i was getting funny ph swings with storms and when people sprayed there weeds.
__________________
360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank