It has lots of ‘debris’, makes it hard to see which is mycelium or random stuff. Karo light corn syrup is clearer.
Depends how big is your pressure cooker/autoclave, tall jars are hard to fit.
Agar/LC > Grain Spawn > Bulk Substrate > Fruiting
Larger scale growing favors grain spawn because they are doing in bulk. Having so many syringes just don’t make sense.
LC > BRF Cake > Fruiting