Removing Urine from a Foam Mattress?

Bare Buttocks

September 2, 20110 found this helpful

Foam.... The only idea I can come up with, is taking that piece of foam outside, and give it a shower with a COLD water hose. Let it drip off, and air-dry for some days.
No guarantees, because foam is really sensitive with water over 40 degree Celcius, or if not properly dried.