This was done by soaking with ZymeAway, then using superheated steam while vacuuming up residues. Check out the slops!
No bubbling occurred. Good God, the place stank. When I left, it was a bunch mo betta.
It was what happens when you inherit momma's house and all her dogs slept in that room. Here is the 'good' carpet, halfway cleaned (again, using enzyme as the agent).
It was some time ago. The young couple was rehabbing the house to live in. There were clumps of padding yet to be scraped up. I didn't seal it and don't lnow if the guy did, later.