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Midwest's Select Bulk Substrate Casing Mix - 5 pounds

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(293 Reviews)
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Price: $18.00
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Our top selling product every month! Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water...

Our top selling product every month! Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water and a few other choice ingredients. Our select casing comes fully hydrated and pasteurized and is ready to use right out of the bag! Use this along with a fully colonized spawn bag to start your bulk growing experience! Each 5 pound bag comes fully sealed and can be used right away or stored in the...

Midwest's Select Bulk Substrate Casing Mix - 7.5 pounds

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(13 Reviews)
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Price: $25.00
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Our top selling product every month now available in 7.5 LB Bags! Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph...

Our top selling product every month now available in 7.5 LB Bags! Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water and a few other choice ingredients. Our select casing comes fully hydrated and pasteurized and is ready to use right out of the bag! Use this along with a fully colonized spawn bag to start your bulk growing experience! Each 7.5 LB pound bag comes fully sealed &...

Complete 44Q Monotub Bulk Spawn Growing & Casing Kit

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(15 Reviews)
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(WINTER SALE SPECIAL PRICE!)Discover the joy of cultivating dung-loving mushrooms in the comfort of your home! Our comprehensive indoor growing kit is tailored for both edible and medicinal mushroom...

(WINTER SALE SPECIAL PRICE!)Discover the joy of cultivating dung-loving mushrooms in the comfort of your home! Our comprehensive indoor growing kit is tailored for both edible and medicinal mushroom enthusiasts. Whether you're a novice or a seasoned grower, this kit equips you with everything you need—simply introduce your preferred spore syringe or liquid culture to commence the process. Our kit boasts the Grower's Select Monotub, a cutting-edge design offering precise airflow and humidity...

Complete Large 66Q Monotub Bulk Spawn Growing & Casing Kit

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(9 Reviews)
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Item #: BLK6 -
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Embark on your mycology adventure with ease using our largest Bulk Monotub cultivation kit, specially crafted for enthusiasts of dung-loving fungi! This kit is meticulously designed for convenient...

Embark on your mycology adventure with ease using our largest Bulk Monotub cultivation kit, specially crafted for enthusiasts of dung-loving fungi! This kit is meticulously designed for convenient home cultivation and includes a 66Q Grower's Select Monotub, engineered to ensure perfect airflow and humidity for mushroom growth. You'll receive 10 pounds of our premium Select Bulk Substrate, two 5-Grain Spawn Bags, a layer of vermiculite casing, and a suite of vital accessories, including...

Midwest's Select Bulk Substrate Casing Mix - 30 Pounds (BULK 6-PACK)

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(36 Reviews)
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Item #: SBC6 -
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Price: $85.00
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Buy in Bulk and save 25%** on 30 pounds of our our top selling product every month!  Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime,...

Buy in Bulk and save 25%** on 30 pounds of our our top selling product every month!  Midwest's Premium Select Bulk Substrate is the perfect combination of Coco Coir, Vermiculite, Hydrated Lime, Gypsum, ph buffers, ph stabilizers, mineral water and a few other choice ingredients. Our select casing comes fully hydrated and pasteurized and is ready to use right out of the bag! Use this along with a fully colonized spawn bag to start your bulk growing experience! Each 5 pound bag comes fully...

Monotub Bulk Spawn Growing & Casing Kit 44Q

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(54 Reviews)
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Item #: BLK2 -
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Price: $59.99
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Turn your fully colonized spawn bags (sold separately) into a Bulk harvest fast and easy using our Premium Bulk casing kit. Growing mushrooms in bulk has never been easier! Once you have mastered...

Turn your fully colonized spawn bags (sold separately) into a Bulk harvest fast and easy using our Premium Bulk casing kit. Growing mushrooms in bulk has never been easier! Once you have mastered growing in jars, this is the next step in growing! Simply break them up and mix with our perfected Select Bulk casing mix in the grow chamber provided. Typically this is an advanced growing method, but we have made growing easy by providing you with step by step instructions & everything you need to...

All-in-One Bulk Monobag Kit

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(26 Reviews)
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Growing in Bulk has never been easier! This simple setup will teach you the basics of growing from grain spawn to a bulk substrate all in two easy steps! Simply inject your favorite spores in the...

Growing in Bulk has never been easier! This simple setup will teach you the basics of growing from grain spawn to a bulk substrate all in two easy steps! Simply inject your favorite spores in the 30oz 5-Grain Jar, let it fully colonize (turn white). The next step is to break up the grain and mix it with the bulk substrate (Select Casing Mix) in the bag. The 8mm heavy duty gusseted polybag provides the perfect environment to grow. Once you mix them together, let it sit for 10-14 days and you...

Bulk Spawn Growing & Casing Kit: Dome Edition

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(20 Reviews)
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Price: $55.99
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(WINTER SALE SPECIAL PRICE!)Our Bulk Monotub Dome Kit is back with new triple vent acrylic dome and 4X thicker heavy duty tray! Turn your fully colonized spawn bags or Grain Jars (sold separately)...

(WINTER SALE SPECIAL PRICE!)Our Bulk Monotub Dome Kit is back with new triple vent acrylic dome and 4X thicker heavy duty tray! Turn your fully colonized spawn bags or Grain Jars (sold separately) into a Bulk harvest fast and easy using this kit. Growing mushrooms in bulk has never been easier! Once you have mastered growing in jars, this is the next step in growing! Simply break them up and mix with our perfected Select Bulk casing mix in the heavy duty tray provided. Typically this is an...

Midwest's Black Cow Manure Bulk Substrate & Casing Mix - 5 lbs

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(73 Reviews)
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**NEW** Our new Black Cow Manure based casing Substrate may just be our best creation yet! The manure used in this casing mix is from organic grain fed dairy cows. The composting process from this...

**NEW** Our new Black Cow Manure based casing Substrate may just be our best creation yet! The manure used in this casing mix is from organic grain fed dairy cows. The composting process from this manure is carefully monitored by high tech equipment. The manure is turned into specific size rows and water is added weekly to create the perfect environment. Beneficial microbes break down the manure reaching temperatures of 155 degrees. The manure compost is carefully mixed with Coir, vermiculite,...

Midwest's Wild Horse Bulk Substrate Manure Booster

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(47 Reviews)
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Midwest's Wild Horse Bulk Substrate Booster is the easiest way to supercharge your bulk grow and minimize the risk of contamination! We've used manure for years but nothing comes close to the...

Midwest's Wild Horse Bulk Substrate Booster is the easiest way to supercharge your bulk grow and minimize the risk of contamination! We've used manure for years but nothing comes close to the performance of this kind. In fact, its so potent you only need to add 1 pound for every 10 pounds of our select casing mix to see results! Increases Mushroom size, increases potency & flavor! This product is used by commercial growers and While the manure may be the star of the show, we have carefully...

All-in-One Mushroom Grow Bag (4 lbs) for Manure Loving Mushrooms

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(174 Reviews)
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If you're short on space but still want to cultivate your favorite mushrooms, our All-in-One Mushroom Grow Bags are the perfect solution! With our innovative bags, you can experience the...

If you're short on space but still want to cultivate your favorite mushrooms, our All-in-One Mushroom Grow Bags are the perfect solution! With our innovative bags, you can experience the satisfaction of growing your own mushrooms without the need for tubs or greenhouses. Using our bags is simple: inject 5cc of your spores or liquid culture, wait 15-25 days for colonization, then break up the colonized grain and shake the bag. Once the bag re-colonizes, your mushrooms will start growing...

Manure/Grass Lover's Bulk Spawn Growing & Casing Kit

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(14 Reviews)
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Item #: GLK1 -
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Price: $34.99
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Our Manure/Grass Loving Mushroom Kit has all the essentials for growing specific varieties that require a specialized substrate and casing. This kit is for mushrooms that require aged horse manure...

Our Manure/Grass Loving Mushroom Kit has all the essentials for growing specific varieties that require a specialized substrate and casing. This kit is for mushrooms that require aged horse manure and a high PH casing which includes peat moss. Our substrate is made with premium sun-aged horse manure, extra chopped straw, coir/vermiculite and ph buffers. Each vacuum sealed 3lb bag is pasteurized for 2.5 hours in our hot water immersion bath. This kills the bad bacteria but leaves the...

Grass Lover's Premium Manure-Based Bulk Casing Mix (3 LBS)

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Item #: GLM3 -
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Price: $13.50
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Grow some Grass Loving Mushrooms with this recipe! Our manure comes from organic pasture fed horses, their diet is not supplemented with feed and the manure has been meticulously collected and aged...

Grow some Grass Loving Mushrooms with this recipe! Our manure comes from organic pasture fed horses, their diet is not supplemented with feed and the manure has been meticulously collected and aged especially for mushroom cultivation purposes. While the manure may be the star of the show, we have carefully selected the following additional ingredients in our mix, each complimenting the manure and producing what we know as the best blend of casing mix to date! Each 3 pound bag of Premium...

Premium Coir Brick (650g)

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(39 Reviews)
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Price: $3.75
Retail: $7.50
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Coir bricks are a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers, resulting in...

Coir bricks are a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers, resulting in a compact brick-like form that expands when soaked in water. Premium coir bricks are made from high-quality, 100% natural coir fibers that have been carefully selected and processed to remove impurities and ensure consistent quality. They are typically free of synthetic additives and chemicals,...

Coco Coir Brick Gro-Med 5kg Premium Organic 10 Pound Coir Block

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(13 Reviews)
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Price: $15.99
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A premium coir brick is a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers,...

A premium coir brick is a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers, resulting in a compact brick-like form that expands when soaked in water. Premium coir bricks are made from high-quality, 100% natural coir fibers that have been carefully selected and processed to remove impurities and ensure consistent quality. The coir is naturally aged so it holds water for a longer...

Assorted Mushroom Sticker Pack

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(11 Reviews)
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Who doesn't love free stickers? We never know who throws them out or who keeps them so now you can add them to your cart for $1.00 and then use a coupon code to subtract that $1.00 off. We are...

Who doesn't love free stickers? We never know who throws them out or who keeps them so now you can add them to your cart for $1.00 and then use a coupon code to subtract that $1.00 off. We are always adding new stickers every month or two. The picture is an example of what we currently have and may vary. We love funny or cool looking stickers so if you have an idea or illustration that would make a great sticker, please share! - Add this to your cart and receive 3-4 cool mushroom stickers!-...

Mushroom Squeeze Stress Toy (Assorted Colors)

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(3 Reviews)
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Squeeze this cute little mushroom toy and watch the stress melt away! We know growing can stress you out at times, so relax and squeeze your new little friend. Don't stress over the price because...

Squeeze this cute little mushroom toy and watch the stress melt away! We know growing can stress you out at times, so relax and squeeze your new little friend. Don't stress over the price because its ONLY $0.99 when you use the promo code below! Coupon code: STICKERS

Vintage Mushroom T-Shirt

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(8 Reviews)
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Price: $18.00
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The return of our popular retro mushroom T-shirt! A favorite classic around here. This shirt is extremely soft and has a better fit than standard shirts. Features Super-Soft tri-blend...

The return of our popular retro mushroom T-shirt! A favorite classic around here. This shirt is extremely soft and has a better fit than standard shirts. Features Super-Soft tri-blend UnisexPre-ShrunkManufactured by Gilden or Port & COFits true to sizeAvailable in Small, Medium , Large (OUT OF STOCK), XL and XXL Example Fit: 170-185lb Male 5'11 with 34-36 waist. Large fits perfect More arriving soon! ...

Mushroom Bulk Casing & Bulk Substrate

When you are ready to start growing in bulk, our mushroom bulk casing bags and kits are the perfect solution. Our bags of casing mix for mushrooms make growing in bulk easier than ever!

Our select mushroom casing comes fully hydrated and pasteurized, so they are ready to use right out of the bag. The mushroom bulk substrate is the next step to take after you’ve mastered growing in jars. If you grab one of our bulk substrate kits, you’ll have everything you need to create a mushroom harvest paradise.

Here you’ll also find our manure bag mixes, our most effective creation to date. Our mushroom cultivation supplies increase mushroom size, potency, and flavor. If you want to get the most out of your growing, you’ll need the best products and equipment. Midwest Grow Kits has you covered!