Multi-Grain Mushroom Substrate Jars 12 Pack Mega Mix Grain Spawn Out-Grow

  

This sale is for 12 x one quart jars of mega mix grain spawn. Out-grow presents our premium mega mix grain spawn jar, featuring a professional blend of three sterilized grains: popcorn, rye berries, and red milo. Each quart-sized jar provides the perfect substrate mix for robust mycelium growth and healthy mushroom development. Our signature mega mix blend creates an ideal growing environment for various mushroom species, with each jar arriving fully hydrated and sterilized for immediate use. This professional-grade mushroom substrate jar contains perfectly hydrated grains at optimal moisture content, making it perfect for grain-to-grain transfers or spawning to bulk substrate.

The triple-grain nutrition promotes vigorous colonization and abundant yields. As your trusted mushroom supplies provider, out-grow ensures every grain spawn jar meets the highest standards for quality and contamination-free cultivation.

This item is made of premium popcorn substrate, premium rye berry substrate, premium red milo substrate and quart sized mushroom jar.