heyyy good-looking!
ive never done shiitakes before, so idk the best way to fruit
but pretty sure shiitakes gonna need some wood
i would soak woodchips for 3-5 days
hardwood, hickory or alder chips for bbq smoking are usually easy to find, but dont use fruits like apple or cherry
gotta hydrate the chips
and id use rainwater, if available, but tap water should be fine
id toss a lil gypsum in
after a few days soaking n woodchips mostly sink, boil these for a bit, ~45 mins
strain n let chips steam off & cool overnight
now you have lots of options, idk which is best, for shiitakes, or for you
gotta figure out how you want to get the spawn to colonize wood, without contaminating over time
youll probably want to end with a cake or block of some sort
i think they do well coming off the sides of things, not just the top, which is why cakes/block are good
so i think some sort of large bag method would be best
you could try like xl spawn bags, idk if youre set up for all that.
mix with some grains or bran, PC for a while, dump some spawn in, seal, wait till colonized then cut the bag open, poke some holes in the side,
or just remove the whole block from the bag once colonized, enter fruiting conditions
you could maybe just pasteurize the chips, then load up heavy duty garbage bags with chips & colonized cakes
you can do oyster on straw this way, but oysters move pretty fast on straw and are fairly resistant to contams.
wood is pretty contam resistant as well, but slow to colonize, vile things might catch up
mostly worried about your colonized spawn turning green once exposed
idk how clean fresh garbage bags are, what kind of "clean room" environment you would have to load them in, how vigorous your shiitakes are
so this method could be risky business
i know i have seen large garbage-bag -sized bags fruiting... not sure what kind of bags these are or how to do it in a kitchen,
but thats what i would try to do
you could also try a monotub type setup
they will fruit from the top only, idk how they would like that
you could poke holes in the side.... that might get you some more weight on the side, but then your totes likely ruined for future use
or you could maybe try small bins, and once colonized, pop the whole mat out as block
ive been using jars for years, but i just received my first spawn bags and other new supplies, feels like i just leveled up!
so im about to start some similar projects!
best of luck, keep us posted!