I got my second brewfridge tonight, courtesy of my parents who are getting their kitchen upgraded. My dad has wiped down the inside with anti-bac and everything inside seems fine. However, there is a horrible smell coming from the drainage hole at the back. Loads of gunk that looked like cat sick came out during transit so I hope all I need to do is get some bleach down, but my whole garage stinks a bit cheesy. Has anyone got any experience of cleaning out a fridge drainage hole? Any tips?