Which end goes on top when I put the block back into the box after soaking? The light side or dark side?

Great question! As every block is different in the way the mushrooms colonize, I can’t say which side is lighter or darker. You can choose any side you wish to place back into the box as long as the X you cut in the block is exposed so it gets proper air exchange and moisture from misting! I hope this helps! Please don’t hesitate to reach out again if you have any other questions. :)

How do I start the second harvest? I see no exact instructions on that... Just the fact that it's still possible...?

Hey Jon! So if you take a look at the back of the instruction pamphlet, you're gonna see the section that says "Bonus Crop". In case you no longer have your instruction pamphlet, here are the instructions in simplest terms without images: We recommend if the mycelium around the original X incision seems to be dried and crusted, simply tape over it and flip your mycelium block and start over on the back side of your block. Then you will start from step 1 again, just like when you first got your kit. Cut an X, soak your substrate, and mist regularly. You should be able to get a couple more fruits in just make sure they get another round of soaking in! After their first fruit, they are probably pretty dried out. Hope that helped! :) If you have more questions please feel free to let us know.

Is it just one harvest?

No, you're able to get 1 or 2 more after the first one (but the first harvest is always the largest)

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BloomBox Blue Oyster Mushroom Grow Kit – Ready to Fruit Indoor Gardening Gift – Organic Spawn Log for Fresh Fungi in 10 Days – Unique DIY STEM Science Project for Kids & Adults – Vegan Meat Substitute

BloomBox Blue Oyster Mushroom Grow Kit – Ready to Fruit Indoor Gardening Gift – Organic Spawn Log for Fresh Fungi in 10 Days – Unique DIY STEM Science Project for Kids & Adults – Vegan Meat Substitute

Product ID: 546777240

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Details

Indoor/Outdoor usage
Indoor
Brand
NuBlume
Material feature
GMO Free
Colour
Blue
Special feature
7-10 Day Speed
Expected blooming period
Year Round

⏳Ready to fruit in 7 days

🌱Organic, pre-colonized spawn log

🎁Gift-ready, unique STEM project

Description

🍄 Grow Gourmet Magic at Home—FOMO-Worthy Freshness in Just 7 Days!

HARVEST IN JUST ONE WEEK - Experience the thrill of growing restaurant-quality Blue Oyster mushrooms in only 7 days—no soaking or expertise needed.
ALL INCLUSIVE URBAN FARMING KIT - Comes with a misting bottle, humidity tent, and fully colonized organic substrate—perfect for any kitchen windowsill.
CHEF GRADE FRESH SUSTAINABLE - Grow 6–8oz of meaty, umami-rich mushrooms that elevate vegan meals and reduce your grocery runs.
RISK FREE FIRST FLUSH GUARANTEE - Join thousands of happy growers with confidence—if your kit doesn’t produce, we replace it immediately.
THE ULTIMATE GIFT FOR FOODIES ECO WARRIORS - Packaged beautifully and designed as a hands-on STEM project, it’s the perfect present for mindful millennials.

The BloomBox Blue Oyster Mushroom Grow Kit is an organic, ready-to-fruit indoor gardening kit that delivers fresh, chef-quality mushrooms in just 7 days. Designed for easy use with no prior expertise, it includes everything needed for successful urban farming on a kitchen counter. Perfect as a unique STEM project or eco-conscious gift, it offers a risk-free growing experience backed by a first flush replacement guarantee.

Specifications

Product Dimensions	12.7 x 8.89 x 24.13 cm; 812 g
Part number	BBBO-01
Expected blooming period	Year Round
Moisture needs	Moderate Watering
Sunlight exposure	Partial Sun
Manufacturer	NuBlume Mushroom
Item model number	BBBO-01
ASIN	B09VK9S4JB

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