Originally Posted by knights of Gambrinus
So I take it then that folks do not replace their coolers unless they are wicked nasty then?
Some replace them, some don't, some will only change it if it can't hold liquid anymore.
The HDPE plastic in them cleans up pretty easily. I've had coolers get really disgusting (not always the mash tun) from things being left in them for long periods of time, and i've always found that oxyclean or bleach will get almost anything out of them.