Just Internet search for
blow off tube homebrew.
Get a tube,
cut a hole in your fermentor lid slightly smaller than your tube (which I didn't do cause I was in a hurry hence some krausen on top of lid in photo),
get 2 containers (jug, coffee jar, water bottle, etc), clean and sanitise it, fill it with enough water and sanitiser to make sure the end of tube is covered.
Insert tube into blow-off container fluid
insert other end of tube into fermentor and make sure it sits just above your wort level.
Keep an eye on the container to make sure it doesn't overflow
If container one is getting almost full, swap with container 2
It's really only 2 days of full-on ferment where you get the epic krausen production. It calms down after that and stops puking. You still get a very active bubbling though for a few days.
I have one of my silicon tubes stuck onto the airlock outlet cause it was puking krausen as well. Probably try that first because once ferment calms down a bit you could just swap back to a normal airlock setup. And you don't have multiple holes in your lid.
And I can't find the article I read about having tube sitting just above your wort. All article just mention sticking tube inside fermentor..