You don't have a big enough blow off tube: I'd get one at least the size of the cylinder of your airlock. Stick it directly on the airlock. That will let more air escape and have less chance of the airlock exploding for an even larger mess!
On Tap: Barleywine, Coffee Oatmeal Imperial Stout (big big beer)
Fermenting: Double Simcoe IPA
On the Bench: Racer 5 IPA
"One of the first things early caveman did, when he crawled out of the mudd, was to make beer. And cavemen everywhere are still making beer...and drinking beer." - Jean Sheperd