[codefox1]

Well, it depends. If you are going to use on spray for toning (and even that divides into a dye over plain wood or a tint for burl, you could be looking to a couple of cans. Then there is the top coating, clear or matte, once you get the hue and value in check. Chroma will be determined by layers of clear matte or gloss over the corrected piece. You'll need to wait a week or so between treatments, especially at this time of year in many places. If you run out, don't worry, a properly prepared lacquer surface can be added to later.

I only advised shellac on inside of cabined to provide vapor barrier. Could easily be followed by black paint or whatever. Agree shellac does not provide proper tooth for lacquer, but still can be used to fill pores, provided most of it on smooth surfaces is abraded. Any port in a storm for damaged stuff. Top coat lacquer Two cans here.