For those using MJ1200 with air intake...
And you're still using the air venturi on the output nozzle?
Get this instead:
I use a Mj1200 to prime and maintain (get rid of that pesky air) the siphon in my DIY
U-tube overflow. The output air draw suction was very low, and I'd have to manualy reprime it every week or so. I've since replaced it with this little intake side adapter, and have been air free since. You'd be suprised how much suction it creates
55g reef, 2x250W 10k MH
+ 2x96W PC
actninc, 10g sump, AquaC Urchin skimmer, 65lbs LR
xenia, mushrooms, wels. open brain, fungia radiata (orange), green eyed zoos
flame angel, mated pair of false perc, 6-line, firefish
20gH electric yellow cichlid