The HOS Enriched Worm Castings Substrate

🧬 Premium bulk research substrate designed for advanced mycology research and sterile laboratory environments. Formulated with organic earthworm castings, this enriched matrix provides optimal moisture retention, natural humic acids, and stable pH buffering for vigorous mycelial networks.

🔬 Formula Specifications:

• Organic Earthworm Castings: Pure microbial nutrition & humic acids

• Triple-Washed Coco Coir: Maximum moisture retention baseline

• Horticultural Vermiculite: Gas exchange & matrix porosity

• Premium Gypsum: Essential mineral buffering & pH stabilization

• Hydrated to exact laboratory field capacity

⚖️ Available Sizes:

• 5 lb

• 8 lb

Strictly for microscopy and academic research purposes only.