Rye Grain 1–25kg Sack---Spawn Production for Mushroom Cultivation-Organic

Available in1kg to 25kg sacks. ✅ Why Rye Grain?. Rye grain isnutrient-dense ,absorbent, and has the ideal structure to supportvigorous mycelium colonization. 100% Organic Whole Rye Grain. Organic Rye Grain 25KG (Doves).