MushroomMediaOnline Whole Rye Berries for Mushroom Grain Spawn (40)

$67.28

Whole rye berries are one of the most preferred for mushroom substrates. Hobbyist and commercial growers alike have used rye berries for decades. Mushroom and mycelium of many species thrive on their nutrient content.
UPC ‏ : ‎ 739472130617
Manufacturer ‏ : ‎ MushroomMediaOnline
ASIN ‏ : ‎ B0CJMQK5YT

MUSHROOM SUBSTRATE: dry packaged rye berries to be used in jars or grow bags for grain spawn
WHOLE RYE BERRIES: these are the entire rye berry with only the hull removed
100% NATURALLY SOURCED: whole rye berries purchased in bulk and bagged for consumers. Pictured bag for promotional purposes only.
INSTRUCTIONS: 1. Rinse and clean, repeat until water is clean. 2. Drain completely. 2. Add Gypsum to prevent sticking and to add calcium. 3. Let soak for 12-24 hours. 4. Cover with water and bring to boil for 10 minutes. 5. Drain while hot and let dry completely. 6. St*rilize at 15 PSI for 1 hour

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Price: $10.94 - $67.28
(as of Mar 19,2025 04:52:35 UTC – Details)


Whole rye berries are one of the most preferred for mushroom substrates. Hobbyist and commercial growers alike have used rye berries for decades. Mushroom and mycelium of many species thrive on their nutrient content.
UPC ‏ : ‎ 739472130617
Manufacturer ‏ : ‎ MushroomMediaOnline
ASIN ‏ : ‎ B0CJMQK5YT

MUSHROOM SUBSTRATE: dry packaged rye berries to be used in jars or grow bags for grain spawn
WHOLE RYE BERRIES: these are the entire rye berry with only the hull removed
100% NATURALLY SOURCED: whole rye berries purchased in bulk and bagged for consumers. Pictured bag for promotional purposes only.
INSTRUCTIONS: 1. Rinse and clean, repeat until water is clean. 2. Drain completely. 2. Add Gypsum to prevent sticking and to add calcium. 3. Let soak for 12-24 hours. 4. Cover with water and bring to boil for 10 minutes. 5. Drain while hot and let dry completely. 6. St*rilize at 15 PSI for 1 hour