---
product_id: 18491106
title: "Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack)"
brand: "mycohaus"
price: "¥70297"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/18491106-mushroom-growing-kit-sterilized-rye-grain-magic-indoor-grow-bags
store_origin: JP
region: Japan
---

# 2 lbs premium sterilized rye grain Rehydrates to 2x dry mass for max yield Resealable, durable packaging Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack)

**Brand:** mycohaus
**Price:** ¥70297
**Availability:** ✅ In Stock

## Summary

> 🍄 Grow like a pro, harvest like a boss!

## Quick Answers

- **What is this?** Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) by mycohaus
- **How much does it cost?** ¥70297 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/18491106-mushroom-growing-kit-sterilized-rye-grain-magic-indoor-grow-bags)

## Best For

- mycohaus enthusiasts

## Why This Product

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

## Key Features

- • **Ready, Set, Grow:** Pre-sterilized and pre-washed for effortless use—perfect for beginners and pros alike.
- • **Pure Organic Power:** Premium, carefully selected rye grain ensures robust mycelium growth for a thriving harvest.
- • **Seal the Freshness:** Durable, resealable bags lock in freshness and protect your substrate for long-lasting performance.
- • **Double Your Harvest:** Optimized grain rehydrates to twice its dry weight, maximizing your mushroom yield every time.
- • **Trusted Mycology Mastery:** Crafted by experts with 25+ years of experience, delivering consistent, professional-grade results.

## Overview

This 12-pack mushroom growing kit features 2-pound bags of premium, sterilized organic rye grain optimized for high-yield mushroom cultivation. Each resealable bag is pre-washed and sterile, designed to rehydrate to twice its dry mass, ensuring robust mycelium growth. Trusted by mycology experts with over 25 years of experience, this kit is perfect for both home growers and commercial setups seeking reliable, professional-grade substrate.

## Description

Full description not available

## Features

- PREMIUM RYE GRAIN FOR MUSHROOM GROWING – Carefully selected, organic rye grains ideal for mushroom cultivation. Our mushroom grain bag offers purity and quality for robust mycelium growth.
- READY TO USE & STERILE – Pre-washed, thoroughly sterilized grains, making this mushroom grain spawn bag perfect for both beginners and experts.
- HIGH YIELD, INCREASED GROWTH – Optimized for high yield, our rye grain rehydrates to twice its dry mass, giving you more to work with in each grow bag mushroom kit.
- SEALED & DURABLE PACKAGING – Each bag features a resealable, durable seal, keeping grains fresh for long-lasting use in any mushroom growing kit or indoor setup.
- VERSATILE FOR HOME OR COMMERCIAL USE – Ideal for use in mushroom kits, grow bags, and other setups, our grains work perfectly for those growing mushrooms at home or on a larger scale.
- TRUSTED EXPERTISE SINCE 2010 - Professionally crafted by seasoned mycology experts with over 25 years experience in the mushroom farming industry. Our premium substrate has been trusted by growers worldwide for over a decade—helping you grow with confidence every step of the way!
- 100% SATISFACTION GUARANTEE - Our grow bags are backed by a commitment to quality and your happiness. If you’re not seeing the results you expect, contact us for a fast resolution—we’ll make it right!

## Images

![Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) - Image 1](https://m.media-amazon.com/images/I/81HFp3IiaCL.jpg)
![Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) - Image 2](https://m.media-amazon.com/images/I/81tiyYfopZL.jpg)
![Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) - Image 3](https://m.media-amazon.com/images/I/81xZOq4ewZL.jpg)
![Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) - Image 4](https://m.media-amazon.com/images/I/81elPPpHlzL.jpg)
![Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack) - Image 5](https://m.media-amazon.com/images/I/61BKOp-MVUL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Won't disappoint
*by R***K on May 22, 2025*

Delivery was quick; I've seen no problems with this product. I've had great success. .

### ⭐⭐⭐⭐⭐ Great value for money, great packaging, fast shipping!
*by C***I on April 8, 2025*

The grain bags offer a great value for the money, much better than what other companies have to offer. The product was nicely packed and shipping was fast. I am looking forward to see how my pink oyster mushrooms will spawn in these grain bags. I will provide an update once I test them, but so far so good.

### ⭐⭐⭐⭐⭐ Easy, Fast, Cheap
*by G***N on April 28, 2025*

Delivered fast, works as expected! Ez pz👍 Hard to beat their pricing too.

## Frequently Bought Together

- MycoHaus Mushroom Growing Kit | Sterilized Rye Grain | Magic Indoor Grow Bags for Mushrooms | Shroom Home Cultivation Magic Supplies | Without Spores | Without Injection Ports | 2 Pound (12 Pack)
- Myco Labs Premium 5-Grain Mushroom Spawn Bags | Sterilized Grain Spawn | Injection Ports | 2 Quarts Each Bag | 2 Bags per Box
- ‘Boomr Bag’ (5 lb) Manure-Based Sterile Mushroom Bulk Substrate | Maximum Yield Formula | Made in USA | Grow Dung-Loving Mushrooms | North Spore

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**Shop now:** [https://www.desertcart.jp/products/18491106-mushroom-growing-kit-sterilized-rye-grain-magic-indoor-grow-bags](https://www.desertcart.jp/products/18491106-mushroom-growing-kit-sterilized-rye-grain-magic-indoor-grow-bags)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-23*