The OFFICIAL Stone producer/sclerotia thread and discussion

Regular ol' agar + nutrients (potato dextrose, light malt extract, heck
even quality honey works) there's so many recipes, pick one or two.
Popcorn, Rye, WBS, Oats, will all work, even rye grass seed will work
but was never needed for stone producers. Tamps, ATL7, Mexicana, they don't
mind too much, I promise! :mushroomgrow:

They'll enjoy whatever grain and agar recipe.
Don't use BRF cakes for truffs, since those hardly ever give truffles.

Slight light beige or tanned color mycelium is rather normal.
Mycelium tends to send a sorta big noticeable "lightning bolt" shaped
strand of mycelium and starts to turn tan. That is when its working on sclerotia.

Whatever you choose, grain sclerotia I think takes 3-6 months until
harvesting them. Inoculate jars of grain with a wedge, or LC.

I haven't done it (not for truffles alone)
but I've heard of folks spawning it to
substrate in a shoebox, and once its fully colonized just leave it in there
for 4-6 weeks while misting and letting it have gas/fresh air exchange.
No light needed since fruits are not the goal. Going any longer probably
will lead to trich contams. Go with cube spawn to substrate ratios if you do.
Don't use too much straw in the substrate, it's been reported to cut down the number of truffles.
Also make sure to NOT have a fruiting isolate, oh lawdy those will give you 1-2 small truffles if you're lucky.

Time window between stones forming and inoculating? Often for me it
seemed to barely start working on truffles, about 2-3 weeks or 60-70% done
colonzing in the jar. So pretty earlyish.

IME time is sorta like (your results may vary) at room temp/warmish room temps.
"1-2 weeks germinating on agar"
"2-4 weeks colonizing qt jars"
"1-2 weeks colonizing substrate"
Or "3-6 months colonizing grain" for sclerotia

Hope this helps even just a bit. :cheers:

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