---
product_id: 741752924
title: "Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS)"
brand: "myco labs"
price: "$U3664"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/741752924-premium-bulk-mushroom-substrate-mix-fully-pastuerized-maximum-yield-dung
store_origin: UY
region: Uruguay
---

# Optimal water retention for max growth Specialized pasteurization locks nutrients Perfect pH balance with Calcium+ blend Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS)

**Brand:** myco labs
**Price:** $U3664
**Availability:** ✅ In Stock

## Summary

> 🍄 Grow like a pro—unlock maximum mushroom magic with zero hassle!

## Quick Answers

- **What is this?** Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) by myco labs
- **How much does it cost?** $U3664 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/741752924-premium-bulk-mushroom-substrate-mix-fully-pastuerized-maximum-yield-dung)

## Best For

- myco labs enthusiasts

## Why This Product

- Trusted myco labs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Term Freshness:** Hermetically sealed 5 lb bags store up to 6 months without losing potency
- • **Maximized Yield Formula:** Scientifically optimized substrate ensures your mushrooms thrive at peak capacity
- • **pH Perfected for Growth:** Calcium+ mineral blend creates the ideal environment to outgrow competitors
- • **Ready-to-Use Convenience:** Pre-hydrated and pasteurized—just open and grow, no prep needed
- • **Nutrient-Rich Pasteurization:** Keeps vital nitrates intact for unstoppable mycelium growth

## Overview

Midwest's Premium Bulk Mushroom Substrate Mix is a 5 lb pre-hydrated, fully pasteurized blend designed specifically for manure and grain-loving mushrooms. Utilizing a unique pasteurization technique, it preserves essential nutrients and maintains optimal water retention and pH balance with a Calcium+ mineral blend. Packaged for convenience and long shelf life, it’s ready to use immediately for maximum yield and consistent, professional-grade cultivation results.

## Description

Midwest's Premium Select Bulk Substrate is a meticulously crafted blend, integrating premium organic Coco Coir, Vermiculite, Calcium+ , Gypsum, pH buffers and stabilizers, mineral water, along with other select ingredients. Our casing is pre-hydrated and pasteurized, offering convenience as it's usable straight from the bag. Ideal for kickstarting your bulk cultivation, it pairs seamlessly with a fully colonized spawn bag. Packaged in a 5-pound, hermetically sealed bag, it's immediately usable or can be stored in a refrigerator or freezer for up to six months. Crafted specifically for Manure & Grain loving Mushrooms!

## Features

- UNIQUE PASTEURIZATION TECHNIQUE: Our specialized pasteurization method balances the preservation of beneficial nutrients. Unlike complete sterilization, which destroys vital nutrients, our process ensures the substrate retains the optimal amount of nitrates and nutrients, crucial for successful growth.
- OPTIMIZED FOR MAXIMUM YIELD: Our substrate is the result of extensive research by our expert mycologists. It's enriched with essential nutrients for mycelium and designed to maintain maximum water retention, achieving the ideal 'field capacity' for growth.
- SIMPLICITY IN USE: Every 5 lb bag is pre-hydrated and pasteurized, ready for immediate use with any grain spawn. This simplicity and effectiveness make it an ideal choice for both novice and experienced cultivators.
- PERFECT PH: Keep the bad stuff away! Our calcium+ mineral blend creates the perfect PH for Mycelium and Mushrooms to thrive!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Myco Labs |
| Product Dimensions | 15.24 x 20.32 x 13.97 cm; 2.27 kg |
| ASIN | B0CQ33CN59 |

## Product Details

- **Brand:** Myco Labs
- **Style:** American
- **Item Weight:** 5 Pounds
- **Global Trade Identification Number:** 00850058190006

## Images

![Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) - Image 1](https://m.media-amazon.com/images/I/616-pSLtxNL.jpg)
![Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) - Image 2](https://m.media-amazon.com/images/I/61V-Jh-JiJL.jpg)
![Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) - Image 3](https://m.media-amazon.com/images/I/71M884Yx2UL.jpg)
![Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) - Image 4](https://m.media-amazon.com/images/I/71m+72T+ssL.jpg)
![Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS) - Image 5](https://m.media-amazon.com/images/I/61QcS+R0hLL.jpg)

## Frequently Bought Together

- Myco Labs Premium Bulk Mushroom Substrate Mix | Fully Pastuerized | Maximum Yield | for Dung & Grain Loving Mushrooms (5 LBS)
- Myco Labs Premium 5-Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 2 Quarts Each Bag | 2 Bags per Box
- Myco Labs Grower's Select Mushroom Monotub Fruiting Chamber with Filter Disks and Liner

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-26*