Masters Mix – 1kg Sterilised Mushroom Substrate Bag

Our 1KG Masters Mix Substrate Bag is a professionally prepared 50/50 blend of hardwood sawdust and soy hulls — fully hydrated, sterilised, and vacuum-sealed for optimal performance. This mix is renowned in the mycology community for rapid colonization and high biological efficiency, making it the gold standard for cultivating Lion’s Mane, King Oyster, Chestnut, and other wood-loving mushrooms.

Perfect for fruiting from grow bags, tubs, or as a bulk substrate for spawn-to-fruit setups. Just add your colonised grain spawn and incubate — no additional supplementation needed.

✅ Classic 50/50 Masters Mix (hardwood + soy hulls)
✅ Sterilised and ready to use – no prep or pasteurisation
✅ Incredible yields and fast colonisation
✅ Ideal for commercial and home growers
✅ Works in bags, monotubs, or fruiting chambers

Specifications:

• Weight: 1KG

• Ingredients: 50% Hardwood Sawdust + 50% Soy Hulls

• Preparation: Fully hydrated & sterilised

• Packaging: Vacuum-sealed with Unicorn-style filter patch

• Shelf Life: 2–3 months (if stored sealed, cool, and dry)