A ready-mixed bulk substrate blend for monotub and shoebox fruiting chambers, combining coco coir, vermiculite and agricultural gypsum in proven ratios. Simply hydrate, pasteurise and use - no need to weigh out and mix individual components yourself.
 
Why use a premixed blend:
- Balanced water retention and aeration for healthy pinning and fruiting
- Consistent ratios batch to batch
- Saves time versus sourcing and mixing coco coir, vermiculite and gypsum separately
- Suitable for monotubs, shoeboxes and other bulk substrate tubs
 
Includes: 1x bulk bag of premixed coco coir, vermiculite and gypsum substrate.
 
For legal gourmet and medicinal mushroom cultivation only.