Grain spawn lids

Plastic lids with 1 quarter inch air hole drilled in the top, and an SFD between lid and disc. Don’t sand lids after drilling (makes crevices for microbes)

 

Oat Process

• Using 10 lb 11 oz dry oats
• Rough rinse 
• Fill large brewing pot with water (leaving about 2 inches)
• Bring to a boil- 30 mins
• Boiled for 45 mins, maybe a little more
• Poured in sink and rinsed again
• Let dry in sink for 1 hour
• Bagged: made 7 3 lb bags + 13 oz. Distributed 13 oz evenly across 7 bags (each bag around 3 lbs 3 oz)
• Loaded into insert in pc 2 layers of 3, 1 in the middle. Could probably fit another layer of 3
• Pressure cooking for 2.5 hours at 15-17 psi
• Steam in 50 mins

10 lbs oats made just under 22 lbs hydrated oats

 

Rye Process

• Rinse rye grains then soak overnight
• Rinse one more time, then bring to a boil on high and boil for 10 mins
• Strain grains and lay out on a towel to dry for a half hour
• Load grains into jars and add lids
• Add foil to lids
• Sterilize jars in a pressure cooker at 15 psi for 1.5 hours. Use 3 quarts of water. 
• Let cool overnight without opening the pressure cooker when done.

• In SC, open lids and inject ~2 ml of liquid culture into each jar 
• Place jar in a dark, warm area (70-80 degrees F) to incubate for up to 2 weeks
• Once jar is 70% colonized, shake to disperse it