Mycology Substrates Showing all 4 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Rye Grain / Rye Berries $1.00 Mycology SubstratesSelect options Sphagnum Peat Moss $10.00 Mycology SubstratesSelect options Straw (Bale) $12.00 Mycology SubstratesSelect options Gypsum COMING SOON! Mycology SubstratesRead more