Mushroom Spawn Store
Earthworm Casting Substrate for Mushrooms
Earthworm Casting Substrate for Mushrooms
Earthworm Casting Substrate for Mushrooms delivers a premium manure-based substrate designed for a high-yield, healthy culture. Each 5-pound bag is fully sealed and sterile (not pasteurized) and perfectly hydrated, ready to use in a mono-tub. Combine each bag with 1 Sterile Mushroom Grain Spawn Bags for a 50/50 mix to get started on your mycology journey.
The mix uses organic materials blended with coco coir for aeration, gypsum, and water to create an effective substrate. It is packed with nitrogen, phosphorus, potassium, and other nutrients to support mycelial growth. The bag is sterilized and sealed to minimize contamination risk and includes a self-healing injection port to improve safe inoculation. It supports growing a wide variety of dung-loving mushrooms, including button and portabello varieties and some medicinal mushrooms; always check local regulations to see what you can grow.
📋 Product summary:
- 5-pound bags of manure-based substrate that are fully sealed and sterile (not pasteurized)
- Ready-to-use, perfectly hydrated substrate designed for mono-tubs
- Organic materials combined with coco coir, gypsum, and water for aeration and a simple mix
- Contains nitrogen, phosphorus, potassium, and other nutrients to support mycelial growth
- Self-healing injection port on each bag to improve safe inoculation rates
- Supports growing a wide variety of dung-loving mushrooms, including button and portabello, plus medicinal varieties
- Can be combined with Sterile Mushroom Grain Spawn Bags for a 50/50 mix to start quickly
- Minimal contamination risk due to sterilization and sealing
- Sold in 5-pound bags
Get started right awayAll nutrients your mushrooms need, ready-packed in a 5-pound bag. We use organic materials mixed in with coco coir for aeration, gypsum, and water, for a simple yet effective mix bound to keep your mushrooms growing plenty! |
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Minimal contamination riskEach mushroom manure substrate bag is fully sterilized and sealed inside a durable bag. Each bag is also equipped with a self-healing injection port that improves safe inoculation rates. |
Grow a wide variety of mushroomsManure mushroom substrates nutrient-rich composition works great for lots of common dung-loving mushroom species like the button mushroom or portabello and your favorite medicinal variety too;) Always check your local regulations to learn about what you can and can’t grow. |
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🇺🇸 Free shipping nationwide
🇺🇸 Free shipping nationwide
Some free shipping products may be limited to the lower 48 states. All of the shipping estimator tools and the checkout cart will notify you of such a result.
📦 Politique d'expédition et retours
📦 Politique d'expédition et retours
EXPÉDITION DANS TOUT LE PAYS :
Les produits d'aménagement extérieur et de loisirs, de maison et de jardin sont expédiés dans tout le pays. Les frais d'expédition sont confirmés lors du paiement en fonction de votre adresse de livraison et du choix du transporteur, le cas échéant. Les produits marqués comme ayant la livraison gratuite seront livrés gratuitement à la caisse. Une fois votre commande de produits pour la maison et le jardin traitée, nous vous enverrons les informations de suivi par e-mail.
RETOURS D'EXPÉDITION NATIONALE : retours sous 30 jours.
Nous acceptons les retours de produits non utilisés, qu'ils soient défectueux ou non. Votre retour doit être traité dans les 30 jours suivant la date d'achat. Nous ne traitons pas les échanges. Nous vous fournirons une étiquette d'expédition par e-mail, il vous incombe d'apporter le retour au transporteur.
RETOURS DE PRODUITS PAR FRET : pas de retours ni d'échanges.
Il n'y a pas de retours, d'échanges ou de remboursements pour les produits livrés par fret. REMBOURSEMENTS : Le coût de l'expédition de retour et des frais de traitement de carte de crédit/de réapprovisionnement de 6 % seront déduits de votre montant de remboursement. Le solde du remboursement vous sera distribué une fois le produit retourné reçu et traité.
REMBOURSEMENTS DE PRODUITS NATIONAUX :
Le coût de l'expédition de retour et des frais de traitement de carte de crédit/de réapprovisionnement de 6 % seront déduits de votre montant de remboursement. Le solde du remboursement vous sera distribué une fois la commande annulée et le produit retourné reçu et traité.
Let customers speak for us
Good solution. The little flies have disappeared. We were sure to mist/moisten the surface of each plant once a day for 4 or 5 days, after the initial application of the nematodes, to keep the little guys mobile and able to get to any remaining eggs. So, go for it!
Plant was well packed and shipment was very fast. Received a very nice fully rooted plant in the pot!
The organic garden soil is doing very well in my garden bed. The company was professional, nice, and accommodating to my needs. They provide many types of things for your landscaping at a reasonable price.
Product was delivered promptly and the quality of the product was very good, as hoped for. I was thrilled to receive the product so quickly! Thank you!
Product is great. Didn't care for having to pay am extra $17 tariff to UPS to get it delivered, but I guess that's not your doing. Thank you Mr. President.
My new babay arrived safely and only lost two little leaves so far. The first one I ordered from different shop arrived with two leaves attached that fell off within ten minutes of unboxing and 22 leaves that had came off during shipping. So glad she arrived looking as beautiful as i was hoping. Also had a surprise red arrow syngonium cutting that’s beautiful. Also customer service was amazing. Will definitely order from them again. Hoghly recommend this shop.
Great flag and it works well on our hangar ceiling. A little worried it wouldn't arrive in time for our event but it did.
Enjoyed putting them together
I think I’m in love! This beauty came delicately packaged. Seemed to have no stress at all from shipping. I live in Miami, I was worried about shipping all the way from California. To my surprise she arrived well taken care of already. I can tell this grower takes pride in caring for these babies. Shipping was fast. I just ordered again same day!
Great service and great product. Delivery was quick. Good communication.
lovely olive jar, attractive to keep on display. And useful too.
Fast delivery . Product exactly matches description. Easy to contact with same day replies. We will use them again.
Great job from growing to shipping
Quality was excellent. Perfect for my Dad’s grave site, honoring a proud Marine.
Appreciate the extra effort to get the product to me when needed. The delivery was made with speed and consideration, very much appreciated
