Liquid Fungi Coupons – Verified Deals & Offers | September 2026

Save on Liquid Culture Syringes, Grain Spawn, Plug Spawn with 5 manually verified Liquid Fungi offers, updated for September 2026. Browse the latest Coupons, working discounts, and exclusive deals, with expired offers removed regularly.

Liquid Fungi offers 1 coupon codes and 4 deals as of September 2026. Today's top offer: Grab 15% Off Mushroom Extract Coupon Code. Codes are verified and updated daily.

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15%

OFF

Grab 15% Off Mushroom Extract Coupon Code

Save big on your favorite products by using this exclusive 15% OFF promo code now.

OFF

Get 5% Off Discount on Shiitake Mushroom Plug Spawn Dowels (100)

$18

Only

Blue Oyster Mushroom Liquid Culture – Just $18!

$19

Only

Black Reishi Mushroom Liquid Culture Syringe – Just $19!

$20

Only

Black Poplar Mushroom Liquid Culture Syringe Just $20!

Customer Reviews

4.3

Average Rating

Total Reviews

Rosa Carter

★★★★☆

1 month ago

Good mushroom culture

I ordered some Lion's Mane Culture from Liquid Fungi and it arrived pretty quick, took about 4 days to get to me. Everything looked good and healthy. I inoculated my grain spawn with it right away and things are colonizing nicely. It was a smooth process, no fuss. Happy with what I got.

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Chris

★★★★★

1 month ago

Fast shipping, quality product

Got my Blue Oyster Culture and it was well-packaged. Shipped fast. Already growing well on my substrate. No complaints, will buy again.

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Alex

★★★★☆

1 month ago

Agar plates and tools were good

I bought some Agar Plates and a few Inoculation Loops from Liquid Fungi recently. The ordering process was straightforward, I just added to cart and checked out. Shipping took about a week to reach me in California, which was decent. Everything was packed securely, no broken plates, which is always a relief with agar. The quality of the plates seemed good, sterile and ready to use. I've already transferred some mycelium to them and they're colonizing fine. Their customer support wasn't needed this time, but the overall experience was positive. It's a reliable place for mycology supplies.

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Liquid Fungi Community Discussion

Share tips, ask questions & help fellow shoppers save more

Jared Hughes

1 month ago

what's the deal with returns if a culture arrives dead or something? like, if it's contaminated.

P Phil F. 1 month ago

They guarantee live arrival. If it's bad, just hit them up, they'll sort you out.

B Brett 4 weeks ago

Had a bad agar plate once, contacted them and they sent a replacement right away. Super easy process, just snap a pic.

5 Responses (2)

Mike

1 month ago

do they ever do free shipping without a code? like, for a certain order amount?

A Anna 1 month ago

Yeah, if you spend over a hundred bucks, free shipping kicks in automatically. No code needed.

M Megan 1 month ago

I think it's usually $100 for free shipping. Good way to save a few bucks if you're stocking up.

5 Responses (2)

Lisa B.

1 month ago

can you use their stuff for bigger commercial grows, or is it more for hobbyists?

P Paula Hughes 1 month ago

Plenty of people scale up with their cultures. They're high quality and viable for commercial scale, just make sure your sterile tek is on point.

J James 1 month ago

I know a few small farms that get their cultures from LF. They seem to hold up well for larger operations, especially their grain spawn.

5 Responses (2)

Derek

1 month ago

any current promo codes floating around for like, liquid cultures or something?

A Anna Carter 1 month ago

Check their newsletter signup, usually get a 10-15% off code for your first order there.

N Neil Okafor 1 month ago

They often have holiday sales, especially around spring or Black Friday. Keep an eye out for those, you can usually snag some good deals on bundles.

3 Responses (2)

Daisy Marsh

1 month ago

can you use more than one discount code on an order? got a first-timer one and maybe a free shipping code.

R Rosa Kaur 1 month ago

Nah, pretty sure it's one code per order. You usually just pick the best one.

R Rachel 1 month ago

From my experience, they only let you punch in one coupon at checkout. Free shipping often kicks in automatically if your order's big enough though, so you might still get that.

3 Responses (2)

Brett

1 month ago

looking at a few different vendors for some grain spawn. how do Liquid Fungi's grain bags compare to like, North Spore or Midwest Grow Kits?

G Gwen 1 month ago

Liquid Fungi's grain spawn is good, never had contamination from them. North Spore is also solid, maybe a bit pricier.

A Andre 1 month ago

I've used both Liquid Fungi and Midwest Grow Kits. LF bags seem to colonize a bit faster for me, but both are decent. LF has more variety though, especially with the exotic cultures.

1 Responses (2)

David Z.

1 month ago

hey, anyone know if Liquid Fungi is legit? seems almost too good with the variety they have.

A Andre Romero 1 month ago

Yeah, totally legit. I've ordered from them a few times, cultures always arrive healthy.

J James 1 month ago

They're a family-owned deal, based in the US. Products are solid, never had an issue with sterility or anything.

1 Responses (2)

Laura

3 weeks ago

thinking of getting some lion's mane liquid culture. how long does shipping usually take to like, California?

S Sam L. 3 weeks ago

I'm in SoCal, usually takes about 5-7 business days for me. Not super fast but reasonable.

P Priya 3 weeks ago

Mine hit Kentucky in about 4 days last time. It depends on where you are, but they ship out pretty quick.

0 Responses (2)

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