Use a blowoff tube! Wheats with hefe yeast can ferment very aggressively! I use a 6.5 gallon carboy for my hefes and all but 1 batch has actually pushed foam up into the blowoff tube. Use a large plastic tube with a tight fit into the neck of carboy -- sanitize the tube first - then put the other end of the tube into a pail full of water or sanitizer solution -- easy! Way easier than a mess clean-up...
Primary - California Common -finally!
Secondary - nothing, back after year plus hiatus
Keg carbing & conditioning - nada
Drinking - store bought: Loose Cannon IPA, Wachusett IPA.
On deck: Trying to decide (beer); wine kit likely (red wine)