High Nutrient Malt Extract Agar (MEA+) Plates For Mushroom Mycelium Cultivation
High Nutrient Malt Extract Agar (MEA+) Plates For Mushroom Mycelium Cultivation
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Skill Level : Beginner
Requirements : SAB/Flow Unit
High nutrient mix has 33% more malt extract and is typically used for germination of spores, the higher nutrient also offers additional nutrients to any potential bacterial contamination which might be present in your spore solution allowing you to identify contaminated spore syringes quickly.
Made from 100% lab grade ingredients
If you’ve never used agar before, the short version is that it’s a bit like jelly (it’s a lot like jelly). Mix that together with some nutrients and you’ve got a medium for things to grow on. Mycelium loves it, so do various bacteria and other fungi. It’s also a handy 2D plane, so you can see exactly what’s happening, which allows you to remove the bits you like (put them on another plate and watch it get better and better), and get rid of the bits you don’t like. Science!
Once you’re happy with what you’ve selected, you can throw it into some liquid culture jars, or a bag of grain, and you know 100% that what you’ve got is as pure as the driven snow.
Agar is where you should be aiming for in your mushroom cultivation journey - if you want to grow literal canopies, clone massive mushrooms, or even clean up wild prints then this is how you do it. Learning how to use agar is one of the things Morpheus would’ve uploaded into Neo’s noggin, probably even before Kung-Fu and Bending About In Slo-Mo, it’s just that useful. Try it, learn it, and you’ll never look back.
Ideally you’d use a flow unit with your agar plates as this would guarantee that your plates will remain clear of any extra contaminants in your environment. You can make-do with a still air box, you’re just having a bit more of a gamble. We absolutely do not recommend using agar without one of these two methods as you’ll never know what’s floated onto your plate (although you can do whatever you want, it’ll work sometimes).
If you’d like this bundle a little cheaper, let us choose what colour you get!
We also offer the following mixes:
Available in the following colours:
- Rose Bengal (Bright Pink)
- Ocean Blue
Pre-poured in our 90mm triple vented plates, ready for use in an aseptic environment.
All of our agar products are covered by our 30 Day Returns Policy, same as our grain and substrate!




Pre-Pour Agar FAQ
How do I store my agar?
Store in a cool dry place like a cupboard, don't store in the fridge.
Plates must be sealed after use or contamination will occur.
Some condensation is expected during transit, keep at an even temp for a few days before use.
How do I prevent contamination?
Spray down the packaging of your agar before opening and only open in an aseptic workspace E.g. in a still air box or in front of an Flow Unit.
How long does agar last?
Use within two months of the sterilisation date label.
Agar dries out over time, often it is fine up to 6 months from arriving but at your own risk.
Can I reuse the petri dishes after use?
The dishes used for our pre-pour agar are not autoclavable therefore they cannot be re-used for agar pours.
We like to use them to store mushroom spore prints after use.