Black Pearl liquid culture


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Made to order

Liquid mycelium

Make your own grain spawn

Made in Finland


One syringe containing 20 ml of Black Pearl (Pleurotus ostreatus hybrid) liquid culture + one sterile needle.You can use one syringe to knock up two bags of sterilised rye grains!

Liquid culture is living mushroom mycelium that is suspended in a sterile and nutritious liquid.

Liquid culture really opens up the possibilities when it comes to growing mushrooms. The most common way to use liquid culture is to squirt it on sterilised grains and by doing so making mushroom grain spawn.

Once you have grain spawn you can even make more grain spawn with your grain spawn!

The base in our liquid culture is Finnish water and honey that have been sterilised in an autoclave.

When the liquid have cooled down we inoculate it with fresh mycelium in our laboratory.

Once the mycelium have grown strong enough we test the liquid on grains before we draw it into syringes and ship them to you.

How to use

Inoculating with liquid culture is considered an advanced cultivation technique.

Please read our in-depth guide to get a clearer picture on how to use liquid culture.

We recommend using our liquid culture syringes together with our sterilized rye grain.

If you are totally new to mushroom growing we recommend that you start of with a grow kit.

Made to order

Mushroom mycelium is a fresh product and you will get the best results if the mycelium is as fresh as possible upon arrival.

Because of this we make all products containing mushroom mycelium to order.
If we were to keep stock of mycelium products it would in the end make for a worse product. 

The normal lead time of most products containing mycelium is 2-3 weeks.

The mycelium need some time to ”take over” or colonize the growth substrate once they have been manufactored.

Otherwise there is a risk that the mycelium would not be strong enough to survive the shipping process.

The lead time however varies and is not set in stone. 

Sometimes orders are shipped faster due to planned overproduction.

During busier periods the lead times might be longer due to production bottlenecks.

If you want your order to be delivered in a certain date range please let us know about it in the message field in the shopping cart.

We try our best to accommodate delivery date requests.