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Sterile HWFP Hardwood-Loving Mushroom Substrate

Crafted with care and love, our premium hardwood fuel pellet based substrate for culinary and medicinal fungi creates the perfect balance of moisture retention, airflow, pH, and fibrosity for healthy, optimized, mycelium growth.

Key Features

  • Sustainably Sourced Hardwood Pellets: Pellets are a mixture of sustainably sourced hardwood fuel pellets hydrated to 60% capacity to ensure proper hydration retention and fibrosity for structural integrity.
  • A Better Grow Bag: All substrates come sterilized in 3 mil plastic Olympus Myco Mini Lightning Dual 0.2 Micron Filter Mushroom Grow Bags, ensuring tough, resilient, malleable bag integrity along with higher fresh air exchange with the dual filters and 10mm band seal under HEPA filtration for sterility and ease of use for your cultivation process.  Other bag manufacturers only have one filter and are rated for 2-2.2 mil plastic which is far less stable.
  • Advanced Sterilization: Processed in our industrial autoclaves at 15-17psi for 5 hours, ensuring contaminant-free, sterile grains.
  • 10mm Band Seal: Each bag is cooled under our High Efficiency  HEPA
  • Shelf life: Stable for upwards of 6+ months (successful trials have been ran on 12-18-24 month old substrates with no quality issues).
  • Storage: Store between 45°F and 70°F to maintain product quality.

Product Details

Weight 3.5lb hardwood fuel pellet based substrate 10lb hardwood fuel pellet based substrate
Bag Olympus Myco Mini Lightning Dual 0.2 Micron Mushroom Grow Bags Unicorn XLSA Bag
Bag Type Gusseted Gusseted
Bag Size 8" x 5" x 20" 10" x 5" x 24"
Bag Material 3.0 mil Polypropylene (PP) 2.2 mil Polypropylene (PP)
Filter Type Dual Filter Single Filter
Filter Size 1.5" x 1.5" 2" x 3"
Filter Pore Size 0.2 Micron 0.5 Micron


Disclaimer: Results may vary based on growing conditions. Follow product instructions for best results. Sales are final, with concerns addressed case-by-case. Please review our policies for more information.

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