Dry Bulk Substrate (Coco Coir, Vermiculite , Gypsum)

  

This is dry ingredients to make nine pounds of cvg bulk substrate. This is enough for two boomer shroomer monotub mushroom grows. All you need is a 5 gallon bucket with a lid and 16 cups of boiling water. Included is 500 grams of coco coir, 500 grams of vermiculite, and 100 grams of gypsum. First add coco coir, vermiculite and gypsum to a 5-gallon bucket.

Mix all the dry ingredients together in the bucket before you add the boiling water. Next, boil 16 cups of water, then carefully pour the boiling water into the 5-gallon bucket.

Close with a tight sealing lid. Let it sit to hydrate and cool for approximately 24 hours. Ideally keep insulated to aid the pasteurization process.

Once room temp, double check to make sure it is at field capacity and it is ready to go.