SKU: 21390508437

King Oyster Agar Culture 90mm

Sale price$17.91 Regular price$19.90
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

King Oyster Agar Culture 90mmA fully colonized 90mm agar plate containing a direct clone of our Pleurotus eryngii mother culture the same King Oyster genetics we use in our own mushroom farm production at Freshrooms. Why Freshrooms Agar Cultures This is not an isolated wild culture. Every plate is a direct clone of our in house mother culture, maintained and tested for purity on a continuous basis. What you receive is the exact genetics we rely on to grow mushrooms on our own

A fully colonized 90mm agar plate containing a direct clone of our Pleurotus eryngii mother culture - the same King Oyster genetics we use in our own mushroom farm production at Freshrooms.

Why Freshrooms Agar Cultures

This is not an isolated wild culture. Every plate is a direct clone of our in-house mother culture, maintained and tested for purity on a continuous basis. What you receive is the exact genetics we rely on to grow mushrooms on our own farm.

About King Oyster

King Oyster is prized for its thick, meaty stem and firm texture - one of the most versatile gourmet mushrooms for cooking. It colonizes steadily and produces impressive, long-lasting fruiting bodies with excellent shelf life after harvest.

How to Use This Plate

Option 1 - Expand on agar: Transfer a wedge to a fresh MYA Agar Plate to multiply your culture or isolate sectors.

Option 2 - Create liquid culture: Use the plate to inoculate a liquid culture syringe for faster grain colonization at scale.

Option 3 - Inoculate grain spawn: Transfer directly to our Sterile Grain Bag with Injection Port to create your own grain spawn.

What is Included

  • 1x 90mm fully colonized agar plate
  • Sealed and parafilmed for transport

Storage

Store in the refrigerator at 2 - 6 degrees C. Use within 3 months of production date.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21390508437

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Mark B.
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Reviewed in the United States on June 5, 2026
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Omaha, US
★★★★★ 5
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Carnegie, US
★★★★★ 5
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Scent: Island Coconut, Size: 0.35 Fl Oz (Pack of 1)
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Reviewed in the United States on July 9, 2025
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Beth
Whiting, US
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Great product
Scent: Island Coconut, Size: 0.35 Ounce (Pack of 2)
This goes on very smooth! Not like Aquaphor or chapstick but somewhere in between!
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Reviewed in the United States on June 6, 2026

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