'BoomRoom II' Automated Martha Tent Mushroom Grow System

$479.99
The original, patented automated Martha tent

Skip the DIY Martha tent and take your mushroom grow to the next level with the 'BoomRoom II' Automated Martha Tent Mushroom Grow System. This self-contained, fully-automated mushroom fruiting and incubation chamber gives you optimal control of humidity, CO2 levels, fresh air exchange, and spore filtration.

Made with the highest-quality materials and upgraded from the original BoomRoom following years of intensive R&D, the BoomRoom II gives growers complete peace of mind.

The BoomRoom's flexible filtration design allows for growing in almost any indoor space -- with or without a window. And it's sturdy racks can accommodate a variety of mushrooms, including trays, jars, fruiting blocks, and grow kits!

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Add Fruiting Blocks

Fruiting Blocks and Spray & Grow Kits work perfectly in a BoomRoom.

None

<span class="metafield-string">Lion&#39;s Mane</span>

Lion's Mane

<span class="metafield-string">Shiitake</span>

Shiitake

<span class="metafield-string">Blue Oyster</span>

Blue Oyster

<span class="metafield-string">Pink Oyster</span>

Pink Oyster

<span class="metafield-string">Chestnut</span>

Chestnut

<span class="metafield-string">Reishi</span>

Reishi

<span class="metafield-string">Golden Enoki</span>

Golden Enoki

<span class="metafield-string">King Trumpet</span>

King Trumpet

<span class="metafield-string">Snow Oyster</span>

Snow Oyster

<span class="metafield-string">Black King</span>

Black King

<span class="metafield-string">Nameko</span>

Nameko

<span class="metafield-string">Pioppino</span>

Pioppino

<span class="metafield-string">Pink Oyster</span>

Pink Oyster

<span class="metafield-string">Blue Oyster</span>

Blue Oyster

<span class="metafield-string">Lion&#39;s Mane</span>

Lion's Mane

Get Started Right
<span class="metafield-string">30-Minute Private Mycology Consult</span>

30-Minute Private Mycology Consult ($29.99)

Private 1-on-1 session with an expert mycologist to start your grow right. Session scheduled after checkout.

In Stock. Ships in 1-2 business days.

What's Included

The 'BoomRoom II' System includes:

  • (1) 5-rack shelving unit
  • (1) Clear zippered tent w/ woven siding
  • (1) 'Myco-Mister II' humidifier w/ ducting
  • (1) 'MYCOntroller' humidity controller w/ sensor
  • (1) FAE (Fresh Air Exchange) fan
  • (3) Re-usable FAE fan filters
  • (1) Flexible black ducting (8 ft.)
  • (2) Ducting clamps
  • (1) 'Spore Floor II' base
  • (1) Detailed instruction manual
Key Features

  • With 5 full racks and 18 cubic ft. of space, BoomRoom II allows you to grow up to 9x more mushrooms than a monotub.
  • Humidity and fresh air controls live on the outside to provide more inside space for growing. And the flexible tent design allows you to place controls on either side, depending on your grow space.
  • Ultra-durable clear vinyl tent with reinforced woven siding and sub-floor layer provides a waterproof enclosure for growing mushrooms.
  • Custom 'Spore Floor' was designed to sit beneath the rack, humidifier, and FAE fan to give your floor additional protection.
  • Three built-in loops allow you to hang your humidity and fan controllers on the tent for easy access and viewing. ("S" hooks not included.)
Size and Specs
  • Rack & Tent: 27"(W) x 19"(D) x 63"(H)
  • Spore Floor: 42"(W) x 27"(D) x 1"(H)
  • Boom Room Inner Shelf - each shelf is 25.5W x 17.5L x 12.5H (Distance between shelves is 12.5”)
  • 18 Cubic Ft.
  • Weight - 30lbs 8oz
  • Power consumption - 2 amps with all components
  • Max Shelf Weight - 20lbs or 4 fruiting blocks
Notice

North Spore's products shall be used only for lawful purposes. North Spore does not condone Psilocybin (Psilocybe cubensis) or hallucinogenic (magic) mushroom growing in jurisdictions where it is currently illegal.

CA Prop 65 Notice

Complete Your Setup
Repeat Cycle Timer
Repeat Cycle Timer (+$24.99)

Run the BoomRoom even when you're away

Autofill Float Valve Kit
Autofill Float Valve Kit (+$14.99)

Never refill your humidifier again

MushBucket (Pink Oyster)
MushBucket (Pink Oyster) (+$69.99)
30-Minute Private Mycology Consult
30-Minute Private Mycology Consult (+$29.99)

Private 1-on-1 session with an expert mycologist to start your grow right. Session scheduled after checkout.

Your Questions, Answered

Not at all! The BoomRoom II was designed for beginners — it comes with detailed step-by-step instructions, labeled parts, and requires only basic assembly. Most users have it up and running in under an hour, with no special tools or experience needed.

Up to 100 lbs! The tent’s five shelves can hold up to 20 pounds of substrate or four fruiting blocks per rack, making it ideal for both small hobbyists and serious cultivators seeking higher yields.

While DIY setups can work, the BoomRoom II saves you time and frustration by offering a proven, reliable system that’s already optimized for ideal humidity and airflow. It’s built from durable materials and tested by experienced cultivators — so you can focus on growing, not troubleshooting.

Maintenance is minimal — just refill the humidifier and wipe down surfaces occasionally. The automated humidity and fan system does the hard work for you, so you can spend more time watching your mushrooms thrive instead of constantly monitoring conditions.

Yes! The BoomRoom II has a compact footprint (about the size of a small wardrobe) and runs quietly, making it perfect for basements, closets, or spare rooms. Its clean, zippered design also keeps moisture and spores contained for easy indoor use.

Cluster of brown-capped mushrooms with long, light-colored stems against a white background.

Grow Bigger Flushes

Growing bigger flushes of gourmet edible and medicinal mushrooms has never been easier with our new and improved BoomRoom II Automated Mushroom Grow Chamber. Whether you choose to grow from trays,fruiting blocks, jars,all-in-one bags, or evenmonotubs, this self-contained, fully-automated incubation and fruiting space gives you full control of environmental conditions critical for mushroom growth, including humidity level and fresh air exchange. Cultivate your favorite fungi and some peace of mind knowing your grow is in good hands with the BoomRoom II.

Built to Last

The BoomRoom II has been built with the high-quality materials so you can keep growing time after time. We know you're buying this thing to pump out some serious mushrooms and the BoomRoom II can handle whatever you throw at it. Our zippered tent design is crafted with double-stitched seams and reinforced plastic materials (for bottom, top, and side coverage), guaranteeing longevity and stability. Moreover, the reinforced plastic creates a diffused light effect, mimicking natural conditions to promote healthy mushroom growth.

Optimal Environmental Control

The BoomRoom II excels in maintaining the ideal cultivation environment. Humidity is introduced from the top, creating a conducive atmosphere for mushroom growth, while a fresh air exchange fan system filters out CO2 from the bottom, ensuring a constant supply of fresh air. For those seeking additional automation, a float valve is available separately, allowing the humidifier to be linked directly to a water source for hassle-free refilling.

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