Premium Only Content

Easy Master's Mix Substrate for Wood-Loving Mushrooms \\ Oyster Mushrooms, Lion's Mane, etc.
ℹ️ Join the 90SM Patreon for FREE and stay updated! Paid tiers get early access to new videos and private Discord access!
- https://Patreon.com/90SecondMycology
❗️ Links to most of what you need below to get started! 👇
* Find complete start-to-finish 90SM Amazon Supply Lists:
https://90SecondMycology.com/supplies
* 40lbs Master's Mix From MMO:
https://amzn.to/3fH6J0o
* 25ct 10T Unicorn Mushroom Grow Bag Pack:
https://amzn.to/3dprYCy
* 16in Impulse Sealer:
https://amzn.to/3avo5dp
* 2pk 6-Outlet Surge Protectors:
https://amzn.to/2NcAVVo
* Presto 16qt Aluminum Pressure Canner:
https://amzn.to/37oguvd
* 12pk of BEN'S ORIGINAL 90-Second Brown Rice:
https://amzn.to/3Yy8qAV
* Bella Bora Large Portable Still Air Box:
https://amzn.to/3YOJq8J
* 1/4 Inch Heavy Duty Hole Punch for Easy Gas Exchange:
https://amzn.to/3Xy3dHU
* Nexcare Paper Micropore Tape For Breathable Gas Exchange:
https://amzn.to/3I4FdpX
* 6pk of 32 Fl Oz 70% Isopropyl Alcohol:
https://amzn.to/3KahCH6
* Black Nitrile Gloves to Protect You & Your Workspace!
https://amzn.to/3I1ANQY
* Butane Torch Adapter, Fits Any Size Butane for Flame Sterilization:
https://amzn.to/3Ir2bsK
* 24 Quart Eco Earth LOOSE Coco Coir for Small Amounts of Substrate:
https://amzn.to/3S1Bs9o
* 8pk Coco Coir Bricks for Large Amounts of Substrate:
https://amzn.to/3HMC4vo
* 12pk 6qt Shoeboxes for Fruiting & Sanitary Supply Storage!
https://amzn.to/3E6VQjW
* The ORIGINAL Flairosol Fine Mister:
https://amzn.to/3I75sfu
* 2pk Dimmable White LED Grow Lights With Built-In Timer:
https://amzn.to/3YEv7TV
* Gardening Scissors to Harvest Your Fruits!
https://amzn.to/3I3weFN
🚨 Websites of Interest:
🌐 Mushroom Media Online!
- https://mushroommediaonline.com
🌐 The Effects of Different Substrates on the Growth, Yield, and Nutritional Composition of Two Oyster Mushrooms (Pleurotus ostreatus and Pleurotus cystidiosus):
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4731647/
🌐 90SM's Unmodified Still Air Box Reddit Writeup!
- https://bit.ly/3CXZtst
🌐 Beginner Flowcharts .PDF!
- https://90SecondMycology.com/flowcharts
🌐 THE BEST Rare Genetics & More!
- https://90SecondMycology.com/ITW - Coupon code 90SM for 10% off!
🌐 Other Vendors and Mushroom Resources!
- https://www.90SecondMycology.com/links
The above Amazon links earn a small commission to help support 90 Second Mycology at no cost to you! Find complete start-to-finish 90SM Amazon Supply Lists at https://90SecondMycology.com/supplies
🚨 Timestamps:
0:00 - Disclaimer
0:21 - Introduction
2:01 - The History of 'The Master's Mix'
3:00 - Pellet to Water Ratio
3:46 - Preparing the Bags for Sterilization
5:27 - Preparing the Pressure Sterilizer
6:54 - Proper Sterilization Procedures
9:03 - Post-Sterilization Procedures
10:54 - BAG MONTAGE!
11:29 - End Screen
-
55:21
Donald Trump Jr.
2 hours ago"Publicly" Funded Propaganda Dealt Reality Check, Live! | TRIGGERED Ep.259
112K101 -
LIVE
Mally_Mouse
6 hours agoLet's Play!! -- Jak 2 pt. 14!
70 watching -
1:05:50
BonginoReport
3 hours agoWhite House Confirms President Trump’s Chronic Medical Diagnosis - Hayley Caronia (Ep.92)
31.4K41 -
LIVE
GritsGG
12 hours agoWSOW Group Stage Final Day! Most Wins 3080+! 🔥
57 watching -
1:22:29
Dr. Drew
1 day agoJenny McCarthy: After Son's Near-Death Reaction & Autism Diagnosis, Star Fights For Safer Childhood Vaccines w/ Alison Morrow – Ask Dr. Drew
52.6K12 -
LIVE
bigbossrobinson
5 hours agoLIVE - STRAIGHT INTO HELL - HELLDIVERS 2
45 watching -
9:30
MattMorseTV
5 hours ago $2.47 earnedWe just got the CONFIRMATION.
11.7K24 -
20:04
World2Briggs
4 hours ago $0.58 earnedTop 10 States That Are Getting Worse Every Year
8.83K1 -
LIVE
Quite Frankly
6 hours ago"Jumbotron Affair, Customer Service & 24hr America, Haunted Objects" 7/17/25
695 watching -
LFA TV
23 hours agoLFA TV ALL DAY STREAM - THURSDAY 7/17/25
161K16