A nice summer project - congrats !
I use a bucket of water and some nifti. Use a wet rag, spray on some nifti (on to the rag) and away you go - rinse and spray. Try a few test spots first.
Did you get legs with it ?
All the electronic boards are here - including displays ;
http://www.rottendog.us/products.htmI would probably buy all from one source.