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Out-Grow BRF Jars Mushroom Substrate, 12 Pack, Brown Rice, Glass Jar, Brown/Grey

Out-Grow BRF Jars Mushroom Substrate, 12 Pack, Brown Rice, Glass Jar, Brown/Grey

Hurry! Only left 10 in stock

Regular price $118.52
Sale price $118.52 Regular price $169.31
SAVE 29%
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SKU: WBGROB07XNG2JJ4
Brand: Out-Grow
Product Type: Rice & Grains

Sold by Groceryeshop, an authorized reseller.

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Safety & Compliance

⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.


Product Description

Discover the Out-Grow half pint jars, a reliable solution for cultivating gourmet mushrooms at home. These jars are designed for mushroom enthusiasts seeking an effective and straightforward growing medium, ensuring a helpfulful cultivation experience.

The Out-Grow mushroom substrate consists of a nutrient-rich blend of brown rice flour and vermiculite, expertly formulated to promote robust mushroom growth. Each jar is fully sterilized and hydrated, ready for immediate use upon arrival. The included self-healing injection port allows for easy inoculation with 2-4cc of mushroom culture, eliminating the need for additional layers of vermiculite. With a built-in gas exchange filter, these jars optimize colonization, ensuring a healthy environment for your mushroom spores. Once fully colonized, the cakes can be birthed into your desired fruiting chamber, allowing for efficient mushroom production. Additionally, the jars and lids are reusable, making them a sustainable choice for multiple cultivation cycles.

Key Features:
  • Fully Sterilized – Each half-pint jar arrives pre-sterilized and hydrated, ready for immediate use.
  • Nutrient-Rich Formula – Fortified with brown rice flour and vermiculite for robust mushroom growth.
  • Self-Healing Injection Port – Easy inoculation with 2-4cc of culture; no additional vermiculite layers needed.
  • Gas Exchange Filter – Promotes optimal colonization without requiring extra vermiculite.
  • Reusable Jars and Lids – Washable and durable for sustainable, multiple uses.
  • Crafted by Out-Grow LLC – A trusted blend perfected over 15 years for consistent results.

This product is ideal for home growers and mushroom cultivation beginners. With its user-friendly design and reliable materials, the Out-Grow half pint jars simplify the mushroom growing process, allowing you to focus on achieving healthy and fruitful mushroom harvests. Elevate your mushroom cultivation with these expertly designed substrate jars, perfect for a variety of gourmet mushroom strains.

Frequently Asked Questions

  • Q: What are the ingredients in the BRF Jars Mushroom Substrate? A: The ingredients include brown rice flour and vermiculite. This nutrient-rich formula is designed to support robust mushroom growth.
  • Q: What is the size of each jar in the BRF Jars Mushroom Substrate pack? A: Each jar is a half pint in size. This compact size makes it easy to handle and inoculate.
  • Q: How many jars come in the BRF Jars Mushroom Substrate pack? A: There are twelve jars included in the pack. This provides ample substrate for multiple mushroom cultivation projects.
  • Q: How do I use the BRF Jars Mushroom Substrate for growing mushrooms? A: To use, simply inoculate two to four cubic centimeters of culture through the self-healing port. Make a circular motion to evenly distribute the spore solution.
  • Q: Is the BRF Jars Mushroom Substrate suitable for beginners? A: Yes, it is suitable for beginners. The jars are pre-sterilized and designed for easy inoculation and use.
  • Q: Can I reuse the BRF jars after harvesting mushrooms? A: Yes, the jars and lids are reusable. You can wash them thoroughly after use for sustainable practices.
  • Q: How should I store the BRF Jars Mushroom Substrate? A: Store the jars in a cool, dry place until ready to use. Ensure they are sealed to maintain sterility until inoculation.
  • Q: Is the BRF Jars Mushroom Substrate safe for indoor use? A: Yes, it is safe for indoor use. The substrate is contained in sterilized jars, minimizing contamination risks.
  • Q: What should I do if my BRF jars arrive damaged? A: Contact customer support immediately for assistance. They can guide you through the return or replacement process.
  • Q: How long can I keep the BRF Jars Mushroom Substrate before using them? A: It is best to use the jars shortly after purchase. However, they can be stored for several months if kept sealed and dry.
  • Q: Does the BRF Jars Mushroom Substrate include gas exchange features? A: Yes, the jars have a gas exchange filter. This allows for optimal colonization without additional layers of vermiculite.
  • Q: Are there any specific mushroom strains recommended for the BRF Jars? A: The jars are suitable for almost any gourmet mushroom strain. They provide a versatile growing medium for various types.
  • Q: Is the BRF Jars Mushroom Substrate suitable for outdoor cultivation? A: While primarily designed for indoor use, it can be adapted for outdoor cultivation with the right conditions.
  • Q: What are the benefits of using the BRF Jars Mushroom Substrate? A: The benefits include pre-sterilized jars, nutrient-rich substrate, and ease of use for both beginners and experienced cultivators.
  • Q: Do I need to add anything else to the BRF Jars Mushroom Substrate? A: No, the jars are ready for inoculation without needing additional vermiculite or materials. They are designed for immediate use.
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