Fabricated items that are "In Stock" , E.g.Mushroom Sterilizers & Fermenters, are made to orderLead time is 12-14 weeks.

85 Gallon Mushroom Substrate Steamer

Based on a design by Myers Mushrooms, our substrate steamer is the easiest, most cost-effective solution on the market.

A typical cycle will take 14-24 hours. Time is dpendent on ambient temperature, substrate temperature, and heater wattage.  The 85 gallon model will accommodate 300 lbs of substrate.

  • New 16 gauge 85 gallon all welded stainless drum.
  • Insulated with Armaflex and jacketed with neoprene
  • Vented lid with thermometer
  • False bottom
  • 2” ferrule with clamp for heating element
  • ½” drain with stainless ball valve. 
  • Stainless float/fill valve.
  • Pressure regulator
  • Braided fill hose
The optional controller allows you to set the target temp and run time. A controller is highly recommended for 220-250 volt set ups. It features a stainless steel enclosure, indicator lights , safety lockout, and temperature probe. A controller ensures accurate and repeatable results while minimizing electricity consumtion and saving time.
The 220 volt controller requires an extension or or power lead with a L14-30 connector. They are readily available from Amazon or you local home improvement store.

Add a controller or choose from one of our heater element options below.  Other handy options are available from Myers Mushrooms KIT page. For faster heat up times on larger steamers we recommend 240v heaters.

Watch the Myers Mushrooms video on putting your substrate steamer together. Note that the false bottom design has changed since this video was made. The new system is simpler and self-explanatory.

Watch more videos from Myers Mushrooms.

 Our drum dollies make moving your loaded or unloaded steamer a breeze.


Height: 39"
Diameter: 27"

Steamers ship via motor freight, if you would like a freight quote before purchasing contact us with your zip code and type of address. Shipping to a commercial address or freight terminal is much less expensive than shipping residential. 

Price: $2,225.00
SKU: BM435