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Everything you need to grow mushrooms.

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Agar Petri Dish Formula

In stock
Product Details

Do you want to explore making agar petri dishes for mushroom culture isolation & propagation?

Pacific Northwest Mycology Agar Petri Dish Formula utilizes our proven recipe for Agar medium, which provides an ideal nutrient profile, pH level, and consistency for healthy, aggressive mycelial growth.

Simply add this formula to distilled water, mix, sterilize, let cool, and pour into a petri dish.


Add 45 grams of Agar Formula to 1000mL of distilled water and mix well.

Autoclave for 45-60 minutes at 15PSI.

Let mixture cool to ~ 60 degrees Fahrenheit

Pour into petri dishes and let set for 6-8 hours.

Tightly seal the container and keep away from humidity.

Use within 1 year of purchase.


Bacteriological Grade Agar (powdered)

Dried Malt Extract

Milled Rye Grain

CaS04 (Gypsum)

Vegetable Peptones

Insect Frass


Container Dimensions - 9 x 9 x 17cm

Weight - 454 grams

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