Redwood Mushroom Supply – Fast Fruiting Mix | 5lb Bag

Redwood Mushroom Supply – Fast Fruiting Mix

RMS Fast Fruiting Mix – Sterilized Substrate for Gourmet Mushroom Cultivation

The RMS Fast Fruiting Mix is a ready-to-use, sterilized substrate made for cultivating fast-fruiting gourmet mushrooms like oyster and lion’s mane. Formulated with a proven 50/50 blend of red oak and soy hulls, this mix delivers the nutrition, hydration, and structure needed to support rapid colonization and high-yield flushes.

Hydrated to field capacity and sealed in Sakato grow bags with 0.2 micron filters, this substrate is ideal for growers looking to streamline their process and fruit mushrooms directly in the bag with reliable, repeatable results.

Features

Why Choose RMS Fast Fruiting Mix?

• 🌾 50/50 Master's Mix Formula – A proven blend of red oak and soy hulls to support fast, vigorous growth.

• 🍄 Designed for Fast-Fruiting Species – Perfect for oyster, lion’s mane, trumpet, and other aggressive fruiters.

• 💦 Hydrated to Field Capacity – Ready to inoculate—no soaking or mixing required.

• 📦 Reliable, Professional Packaging – Sterilized and sealed in Sakato grow bags with 0.2 micron filters for clean colonization with an outer bag for additional protection.

• 🧪 Suitable for Commercial Production – Can be used in the production of organic  gourmet mushrooms for sale, though the substrate itself is not certified organic.

Usage

For In-Bag Fruiting:

Add at least 10% fully colonized grain spawn by weight in clean conditions. Reseal the bag and mix thoroughly to ensure even distribution. Once fully colonized, cut slits or open the bag to initiate fruiting.

Additional Info

Trusted Master’s Mix Formula

This substrate uses the traditional 1:1 ratio of hardwood and soy hulls—a formulation trusted by commercial and home growers alike. The combination offers both plentiful organic material for decomposition and fast-access nutrition, making it ideal for aggressive fruiting species.

Fully Hydrated & Sterilized

Hydrated to field capacity and professionally sterilized, this mix requires no prep or modification before use. Just add grain spawn, seal, and incubate—it’s cultivation-ready out of the bag.

Packaged in Sakato Grow Bags with 0.2 Micron Filters

Each batch is sealed in a Sakato-brand polypropylene bag featuring a 0.2 micron filter patch for optimal gas exchange and contamination resistance. The bags are durable, autoclavable, and designed for in-bag fruiting.

Storage Recommendations

Store unopened bags in a cool, dry place, away from direct sunlight. Use promptly for best results and to maintain substrate quality.

Ingredients

Red Oak, Organic Soy Hull