Garfield Bullock 01/08/2026 Garfield Bullock 01/08/2026

Mushroom Agar for Beginners: How to Use Agar Plates and Make Clean Transfers

All-in-one method: Inject liquid culture into the grain layer at the bottom of the ${growBag}. Allow the grain to colonise, then break and mix it through the hardwood substrate inside the sealed bag.
Separate method: Inject liquid culture into the ${grain}. Once fully colonised, mix that grain spawn with the ${bulk}.

Agar plates allow mushroom growers to inspect cultures, isolate clean mycelium and identify contamination before inoculating grain. This beginner-friendly guide explains the equipment, sterile technique, agar-to-agar transfers, agar-to-grain inoculation, storage and common mistakes.