28Q Complete Monotub Mushroom Grow Kit | Midwest Grow Kits

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Complete 28Q Monotub Bulk Spawn Growing Kit

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$3799 $4999
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This complete small 28-quart monotub kit includes everything needed to grow dung-loving mushrooms at home—featuring a sterilized 32oz 5-Grain Jar, 4 lbs of bulk substrate mix, 28Q monotub, filters, spray bottle and step-by-step guide. Just add your favorite spores or liquid culture!


Description

The Small Complete 28Q Monotub Bulk Grow Kit is a beginner-friendly introduction to bulk mushroom cultivation in a compact, easy-to-manage format. Designed for growers who want to move beyond jars without committing to larger monotub systems, this all-in-one kit makes bulk growing simple, efficient, and approachable.

At the core of this kit is a 28-quart Grower’s Select Monotub, engineered to maintain proper airflow and humidity for consistent colonization and fruiting. Paired with a sterile 5-grain spawn jar, premium bulk substrate, and essential accessories, this system creates a stable growing environment without complicated equipment or constant adjustments.

Whether you’re transitioning from jar-based growing or starting directly with small-scale bulk methods, this kit guides you through every step of the process with clear, detailed instructions—making it easy to grow at home with confidence.

Just add your preferred spore syringe or liquid culture to get started.


Why Growers Choose This Kit

  • Beginner-Friendly Bulk Growing – Designed to make monotub cultivation approachable for first-time bulk growers.
  • Compact 28-Quart Size – Easy to manage while still delivering the benefits of bulk substrate growing.
  • Complete All-In-One System – Includes monotub, spawn, substrate, liner, and accessories.
  • Optimized Airflow & Humidity – Filter disks and hole plugs help maintain stable growing conditions.
  • Scalable Learning Platform – Ideal stepping stone before moving to larger monotubs or higher-volume grows.

What’s Included

(Everything you need for small-scale bulk mushroom growing—just add spores or liquid culture.)

  • Grower’s Select 28-Quart Monotub
  • Sterile 32 oz 5-Grain Spawn Jar – Ready to inoculate
  • 4 lb Select Bulk Substrate – (2) 2-lb pasteurized bags
  • Custom Monotub Liner – Reduces side pinning and simplifies cleanup
  • 8-oz Fine-Mist Spray Bottle
  • (4) Incubation Hole Plugs
  • (4) Monotub Filter Disks – Balanced airflow and protection
  • Detailed Step-By-Step Growing Instructions

Technical Specs

Component Specification
Grow Method Bulk monotub cultivation
Monotub Size 28 quarts
Spawn Included 32 oz 5-grain spawn jar
Substrate Included 4 lb pasteurized bulk substrate
Skill Level Beginner

Real Results from a 28Q Monotub Grow

Below is an example of a successful fruiting run using the Small 28Q Monotub Grow Kit, demonstrating healthy mushroom development in a compact bulk-growing setup.

28 quart monotub grow kit fruiting mushrooms using bulk substrate

Worried About Temperature?

If you're growing in a cooler room, add a Liquid Graphite Heating Mat for just $12.99 and save 35%. Gentle, even heat helps maintain ideal incubation temperatures for consistent results year-round.

👉 Add the Liquid Graphite Heating Mat