Wanting to create your own grain spawn to go with your monotub? We've got you covered with this grain spawn kit designed specifically for your 50-70 liter monotub.  There's enough grain and gypsum in this kit to create up to 1200 grams of grain spawn.  Included in the kit:

• (6) US quart glass jars
• (6) Wide-mouth lids and rings, with injection port and vent installed
• (1) 1"x10yd roll of micropore tape
• 600 grams of our organic, non-GMO rye grain
• 30 grams of pelletized gypsum
• Detailed instructions for grain spawn preparation

Not sure if this is the correct amount of grain for your tub? Have no fear, check out the monotub calculator here.