10%off
Save 10%
Storewide
Worked yesterday
Redwood Mushroom Supply Coupon Codes November 2026
8 codes · Best: 20% off · Updated today
Top pick
Latest coupon codes (7)
5%off
5% off
Storewide
Checked yesterday
20%off
Save 20% on eligible items
Select items
Checked yesterday
10%off
Save 10% on your cart
Storewide
Didn't work Oct 9
20%off
Extra 20% off grain and substrate on select items
Select items
Didn't work Oct 9
15%off
15% off
Storewide
Didn't work Oct 9
15%off
Save 15%
Storewide
Didn't work Oct 9
15%off
15% off eligible products
Select items
Didn't work Oct 9
Tested at checkout
We ran these codes through a real checkout. Prices may have changed since.
RMSW10WorkedTested −$12.37 saved · $623.92 cart · 7 itemsBella Bora Still Air Box, 4" Flexible Exhaust Ducting - 8FT, Blue Oyster Mushroom Liquid Culture Syringe, Reishi Mushroom Liquid Culture Syringe, All American Pressure Cooker, Black Nitrile Gloves - Extended Cuff, Dr. Myc™ Adaptive Liquid Culture PreMixView screenshot & cartHide screenshot & cartTested products Product Coupon discount Total Bella Bora Still Air Box1 × $39.99 −$3.99 $36.00 4" Flexible Exhaust Ducting - 8FT1 × $12.99 −$1.29 $11.70 Blue Oyster Mushroom Liquid Culture Syringe1 × $20.00 −$2.00 $18.00 Reishi Mushroom Liquid Culture Syringe1 × $20.00 −$2.00 $18.00 All American Pressure Cooker1 × $499.95 Not applied $499.95 Black Nitrile Gloves - Extended Cuff1 × $16.99 −$1.69 $15.30 Dr. Myc™ Adaptive Liquid Culture PreMix1 × $14.00 −$1.40 $12.60 - Subtotal
- $623.92
- Coupon savings
- −$12.37
- Other savings
- $0.00
- Total before shipping & tax
- $611.55
How to use a code
- 1
Get the code
Click Show code and copy it.
- 2
Shop redwoodmushroomsupply.com
Add what you want to your cart.
- 3
Apply it at checkout
Paste it in the promo code box. The discount shows before you pay.
FAQ
What's the best Redwood Mushroom Supply coupon?
Top pick: Save 10%. Biggest percentage: Save 20% on eligible items.
How many Redwood Mushroom Supply coupons are there?
8 codes right now.
Is there a minimum spend at Redwood Mushroom Supply?
No. None of the Redwood Mushroom Supply offers here needs a minimum spend.
Does Redwood Mushroom Supply have free shipping?
Not right now. None of the current Redwood Mushroom Supply offers includes free shipping.
About the store
Redwood Mushroom Supply sells mushroom-growing kits, supplies, and equipment for home cultivation. Its selection includes grow bags, substrates, lab supplies, agar plates, humidifiers, grow tents, monotubs, sterilizers, and pressure cookers.
Category: Home, Kids & Pets · redwoodmushroomsupply.com
Visit redwoodmushroomsupply.comMore savings in Home, Kids & Pets
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