Features

  • Creates a controlled growth environment
  • The right bag for each task
  • Black or opaque bags prevent premature fruiting
  • Durable polyethylene construction reduces the risk of pinholes and microtears compared to polypropylene
  • Sturdy 5-micron filters ideal for use with substrate 
  • Fully autoclavable and sealable
  • Superior quality from Japan’s largest mushroom bag producer

Sakato PE Mushroom Grow Bags

MSRP: $19.29 - $885.71

Sakato Mushroom Grow Bags are meticulously designed as the ideal grow bag for fruiting blocks. These bags are made with your choice of opaque or black polyethylene that is sturdy enough for anything you can throw at it. The grow bag comes with a 25 mm diameter, 5-micron filter patch for optimal gas exchange and protection against contamination, turning your substrate block into its own separate biome. Polyethylene materials limit light to prevent premature fruiting/pinning.

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Creates a Controlled Growth Environment

Mushroom grow bags are essential for anyone looking to cultivate mushrooms. They are perfect for sterilizing grain and substrate and are fully autoclavable. After sterilization, these bags keep contaminants out while allowing gas exchange necessary for mycelial growth. This ensures a clean environment throughout all growth stages, helping to achieve consistent, high-quality yields. Whether you’re a beginner or an experienced grower, these bags simplify the cultivation process and improve your success rate.

The Right Bag For Each Task

Sakato mushroom grow bags are designed to meet the specific needs of different cultivation stages and environmental conditions, with each version tailored by filter type. 

0.2-micron filter bags are ideal for grain spawn production, providing a sterile environment that effectively blocks contaminants while allowing gas exchange, essential for the healthy development of mycelium. These bags are perfect for growers who need to ensure maximum protection against molds and other competing fungi. 

5-micron filter bags are best suited for substrate, offering increased airflow that supports faster colonization. These bags facilitate optimal oxygen levels, promoting robust mushroom growth. 

#5 MEDIUM / 5 MICRON / OPAQUE / SUBSTRATE

This medium polyethylene bag is an excellent all- around substrate bag for producing gourmet fruiting blocks. 

#6 MEDIUM / 5 MICRON / BLACK / SUBSTRATE

This medium polyethylene bag is an excellent all- around substrate bag for producing gourmet fruiting blocks. Black bags are a must have when growing mushrooms prone to premature pinning. 

Black & Opaque Bags Reduce Premature Fruiting

The black and opaque polyethylene materials limit light exposure early in the growth cycle to discourage premature fruiting and wasted growth energy. This means mushroom mycelium can take full advantage of substrate nutrients before fruiting, leading to larger harvests.

Durable Polyethylene Construction

Constructed with 2.3 mil (60 microns) thick polyethylene, this bag is built to last and features a double deal on the bottom gussets-a common failure point in traditional bags. Polyethylene offers superior mechanical resistance when compared to polypropylene, which is prone to fatiguing at fold points and developing pinholes or tears under excessive physical stress. 

Superior Quality From Japan’s Largest Mushroom Bag Producer

Sakato is legendary for their craftsmanship and attention to detail, qualities that made them Japan’s largest producer of mushroom cultivation bags. From the meticulously sourced polyethylene to quality tests at every stage of production, Sakato bags earn their reputation for quality and reliability with every harvest.

Technical Specifications

Length Inches
Width Inches
Height Inches
Product Weight
Case Quantity
Case Dimensions (L"xW"xH")
Case Weight lbs
Materials
Thickness
Tensil Strength
Climate Suitability
Transmission Rate
Diffusion Rate
Custom Size Option
Material Details 2.3 mil (60 microns), Polyethylene (PE)
Material Type 5-micron filter
Best Use Substrate, fruiting in bag
Compare to 3B Unicorn Bags
Bag Weight
Best Use
Category
  • Fill the bag with desired substrate 
    • Be careful not to spill any substrate on the upper regions of the bag as it can impact sealing
  • Fold the gussets and roll neck of bag over contents to remove excess air
  • Place in sterilizer
    • Avoid overpacking sterilizer to ensure complete sterilization; leave space for steam circulation
Details

Creates a Controlled Growth Environment

Mushroom grow bags are essential for anyone looking to cultivate mushrooms. They are perfect for sterilizing grain and substrate and are fully autoclavable. After sterilization, these bags keep contaminants out while allowing gas exchange necessary for mycelial growth. This ensures a clean environment throughout all growth stages, helping to achieve consistent, high-quality yields. Whether you’re a beginner or an experienced grower, these bags simplify the cultivation process and improve your success rate.

The Right Bag For Each Task

Sakato mushroom grow bags are designed to meet the specific needs of different cultivation stages and environmental conditions, with each version tailored by filter type. 

0.2-micron filter bags are ideal for grain spawn production, providing a sterile environment that effectively blocks contaminants while allowing gas exchange, essential for the healthy development of mycelium. These bags are perfect for growers who need to ensure maximum protection against molds and other competing fungi. 

5-micron filter bags are best suited for substrate, offering increased airflow that supports faster colonization. These bags facilitate optimal oxygen levels, promoting robust mushroom growth. 

#5 MEDIUM / 5 MICRON / OPAQUE / SUBSTRATE

This medium polyethylene bag is an excellent all- around substrate bag for producing gourmet fruiting blocks. 

#6 MEDIUM / 5 MICRON / BLACK / SUBSTRATE

This medium polyethylene bag is an excellent all- around substrate bag for producing gourmet fruiting blocks. Black bags are a must have when growing mushrooms prone to premature pinning. 

Black & Opaque Bags Reduce Premature Fruiting

The black and opaque polyethylene materials limit light exposure early in the growth cycle to discourage premature fruiting and wasted growth energy. This means mushroom mycelium can take full advantage of substrate nutrients before fruiting, leading to larger harvests.

Durable Polyethylene Construction

Constructed with 2.3 mil (60 microns) thick polyethylene, this bag is built to last and features a double deal on the bottom gussets-a common failure point in traditional bags. Polyethylene offers superior mechanical resistance when compared to polypropylene, which is prone to fatiguing at fold points and developing pinholes or tears under excessive physical stress. 

Superior Quality From Japan’s Largest Mushroom Bag Producer

Sakato is legendary for their craftsmanship and attention to detail, qualities that made them Japan’s largest producer of mushroom cultivation bags. From the meticulously sourced polyethylene to quality tests at every stage of production, Sakato bags earn their reputation for quality and reliability with every harvest.

Usage
  • Fill the bag with desired substrate 
    • Be careful not to spill any substrate on the upper regions of the bag as it can impact sealing
  • Fold the gussets and roll neck of bag over contents to remove excess air
  • Place in sterilizer
    • Avoid overpacking sterilizer to ensure complete sterilization; leave space for steam circulation
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