the bottom is all ive ever had to clean .. i take it outside and spray the pieces off good, throw everything in the bottom, dump a chug of bleach in and swish it around, let it sit for 5, then hose everything off really well ... if the top needs cleaning with the fan and electrics after repeated use, it will take partial disassembly, and id just wipe/brush everything off. if the case is spotty use a damp cloth dipped in soapy water and dry it .. if the bator is not going right back into service and is getting stored, run the top ie, turn it on, and let it run fresh air through propped up for about a half hour so it thoroughly dries internally or it can cause corrosion .. also be sure the bottom and rest of it is dry before putting it together to store it away .. if its stored even slightly damp it can ruin things like the fan and electrics.