(Summer Sale!)  Midwest Grow Kits is excited to release our new formula of our quick-colonizing 5-grain blend featuring organic food grade grains! This new combination is available in a new...

(Summer Sale!)  Midwest Grow Kits is excited to release our new formula of our quick-colonizing 5-grain blend featuring organic food grade grains! This new combination is available in a new 32oz wide mouth jar. With a germination rate of over 97% in recent tests, these jars have been known to colonize in as quickly as 18-23 days from spores and 10-14 days from liquid culture! 3 Jars which each contain 32 ounces of nutrient-enriched organic rye berries and a mixture of Organic White and...

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 3 hours in our hot water immersion bath. This kills the bad bacteria but leaves the good. ...

(NEW! Version 2.0) Take the guess work out of the air exchange equation with our newly designed Polyfil filter disks. Constructed from a durable plastic ring and 3M adhesive back, these disks have...

(NEW! Version 2.0) Take the guess work out of the air exchange equation with our newly designed Polyfil filter disks. Constructed from a durable plastic ring and 3M adhesive back, these disks have the perfect flow rate and density to allow the right amount of air exchange for monotubs or any bulk casing style grow. They keep humidity in and allow for the high levels of air exchange needed for any tub or greenhouse. Simply peel and stick over any size hole up to 2.0" diameter. Can also be...

(SPRING SALE!) These 0.22 Micron Air Filtration Disks acts as a tool to allow gas exchange in culture containers, grain jars and liquid cultures. The strong 3M adhesive can withstand autoclave...

(SPRING SALE!) These 0.22 Micron Air Filtration Disks acts as a tool to allow gas exchange in culture containers, grain jars and liquid cultures. The strong 3M adhesive can withstand autoclave temperatures in excess of 250F at 15psi for extended periods when kept covered and dry during sterilization. The overall diameter of the filter is 19mm and the air hole is 10mm (.39"), perfect for standard 1/4" jar lid holes. This product can be stuck to clean hard surfaces, including standard metal jar...

New to Midwest is the Mushroom Humidity Dome. Perfect for any stage of mushroom growing, the Humidity Dome can be used for incubating & Fruiting jars and bulk casing grows. Add Perlite and...

New to Midwest is the Mushroom Humidity Dome. Perfect for any stage of mushroom growing, the Humidity Dome can be used for incubating & Fruiting jars and bulk casing grows. Add Perlite and create the perfect fruiting chamber for Jars or use as a bulk growing container! Measuring 20.5" x 10" x 2.75" its the optimal size for a bulk casing grow. Heavy duty tray and dome will hold up through multiple uses!

(ON SALE NOW!) Self healing injection ports make inoculation a breeze when making your own spawn. Whether its for jar lids or spawn bags they take the guesswork out of inoculations. These self...

(ON SALE NOW!) Self healing injection ports make inoculation a breeze when making your own spawn. Whether its for jar lids or spawn bags they take the guesswork out of inoculations. These self healing ports are made from a special mix of high temp silicone and EPDM foam rubber and a high temp 3M adhesive backing that will stick and hold up to autoclave temperatures. Just peel and stick! They can be re-used many times! Includes: 25 Self healing ports3M Professional Adhesive Backing Works on...

 The Mushroom Ecosphere has been our flagship product for 6 years now and we keep improving it every year! Like us, many people enjoy growing many different mediums at the same time. Whether...

 The Mushroom Ecosphere has been our flagship product for 6 years now and we keep improving it every year! Like us, many people enjoy growing many different mediums at the same time. Whether it’s jars, spawn bags or bulk casing trays this is the turn-key solution to growing in mass quantities. By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space while only taking up a small amount of floor space. The Ecosphere gives you 4 customizable tiers of...

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...

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 2.5 pound bag of Premium Manure-Based Casing Mix comes fully hydrated, vacuum...

The Mushroom Ecosphere has been our flagship product for 6 years now and we keep improving it every year! Like us, many people enjoy growing many different mediums at the same time. Whether it’s...

The Mushroom Ecosphere has been our flagship product for 6 years now and we keep improving it every year! Like us, many people enjoy growing many different mediums at the same time. Whether it’s jars, spawn bags or bulk casing trays this is the turn-key solution to growing in mass quantities. By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space while only taking up a small amount of floor space. The Ecosphere gives you 4 customizable tiers of growing...

(ON SALE NOW!) This high power 60W UV-C Germicidal Lamp is a device that emits a specialized UV-C light that kills 99% of all bacteria, mold, viruses, and germs in a small room or workspace up to...

(ON SALE NOW!) This high power 60W UV-C Germicidal Lamp is a device that emits a specialized UV-C light that kills 99% of all bacteria, mold, viruses, and germs in a small room or workspace up to 5'x5'. Will sterilize all non-porous surfaces within a 5 foot range. Great for "cleaning" your work area before doing inoculations. While this does not take the place of a laminar flowhood, it can reduce the chances of contamination and help combat bacteria and mold issues. This UV-C light is...

This extremely low weight (Micro) accurate milligram digital scale weighs in measurements from 0.01 grams - 200 grams in a variety of measuring units. (Gram, ounce, carat, grain, pennyweight, etc.)...

This extremely low weight (Micro) accurate milligram digital scale weighs in measurements from 0.01 grams - 200 grams in a variety of measuring units. (Gram, ounce, carat, grain, pennyweight, etc.) Perfect for measuring those "Micro" sized things. It comes pre-calibrated. We've tried and tested many models and found this one of the most accurate and reliable models at an affordable price. This scale comes with a 1 year replacement warranty. ...

Our Sterilite Monotubs are the highest quality container you can buy. They come ready to use with filter disks applied along with UV-Sterilized black liner. These are the perfect sizes for any bulk...

Our Sterilite Monotubs are the highest quality container you can buy. They come ready to use with filter disks applied along with UV-Sterilized black liner. These are the perfect sizes for any bulk grow and come ready to use with locking handles. The 32 Quart clear plastic container comes pre-drilled with four 1" 3/8" air exchange holes and 2" polyfil disks pre-installed. 32 Quart Dimensions: 18.5"x 14." X 11" Includes 4 Monotub Filter Disks Includes black plastic liner (UV-Sterilized) ...

Our Sterilite Monotubs are the highest quality container you can buy. They come ready to use with filter disks applied along with UV-Sterilized black liner. These are the perfect sizes for any bulk...

Our Sterilite Monotubs are the highest quality container you can buy. They come ready to use with filter disks applied along with UV-Sterilized black liner. These are the perfect sizes for any bulk grow and come ready to use with locking handles. The 54 Quart clear plastic container comes pre-drilled with six 1" 3/8" air exchange holes and 2" polyfil disks pre-installed. 54 Quart Dimensions: 22.5"x16"X 13" Includes 6 Monotub Filter Disks Includes black plastic liner (UV-Sterilized) ...

Our 32oz organic rye jars are a quick and easy way to start your next bulk grow. Rye berries are extremely high in nitrogen and release their nutrients slowly. This is why people have been using rye...

Our 32oz organic rye jars are a quick and easy way to start your next bulk grow. Rye berries are extremely high in nitrogen and release their nutrients slowly. This is why people have been using rye for over 50 years to grow mushrooms of all types! Our organic rye is nutrient-enriched with gypsum and other PH adjusters to give you a fast colonizing jar from spores, agar or liquid culture. 3 Jars which each contains 32 ounces of nutrient-enriched organic rye berries and mineral water fortified...

This 21"x 11" under-tank style heating mat uses liquid graphite to evenly heat the surface with no hot spots! Traditional heating pads use wires, which can lead to uneven heating and hot spots. This...

This 21"x 11" under-tank style heating mat uses liquid graphite to evenly heat the surface with no hot spots! Traditional heating pads use wires, which can lead to uneven heating and hot spots. This powerful heater only uses 28 watts of electricity but is equivalent to 200 Watts of heat. The adjustable dial allows for precise sustainable temperature control.

(SUMMER FAVORITE! ) Sodium Polyacrylate is a safe non-toxic compound that has very unique effects being able to absorb over 100 times its weight in water and create a bond around the water holding...

(SUMMER FAVORITE! ) Sodium Polyacrylate is a safe non-toxic compound that has very unique effects being able to absorb over 100 times its weight in water and create a bond around the water holding it in. This super absorbent polymer has helped many in mycology use as well. We all know what its like to start a bulk monotub grow and suddenly the dreaded green mold appears. In most cases, little can be done to salvage this grow. We've been testing solutions for years and this compound has had the...

The 1000W Digital Temperature Controller gives you effortless control over temperature! Extremely easy to set up and use, simply set the desired temperature on the display, insert the thermometer...

The 1000W Digital Temperature Controller gives you effortless control over temperature! Extremely easy to set up and use, simply set the desired temperature on the display, insert the thermometer probe in your grow chamber and plug in your heating device. Works with all our kits and accessories; heating mats, aquarium heaters, greenhouse heat lamps, and even small space heaters! If you struggle with large temperature fluctuations in your growing area, this will keep your temperatures within...

The quick solution to running out of growing space. The Mushroom Incubating/Fruiting Kit comes with a powerful 100 Watt Aquarium Heater that will allow you to keep ideal growing temperatures even in...

The quick solution to running out of growing space. The Mushroom Incubating/Fruiting Kit comes with a powerful 100 Watt Aquarium Heater that will allow you to keep ideal growing temperatures even in rooms as cold as 50 degrees! Fully adjustable from temperatures 65-88 degrees! The compact size is plenty of room for 12 jars or 6 spawn bags. The mini-digital thermometer/hygrometer can be mounted anywhere in the kit to easily view the current temperature or humidity levels. ...

**NEW** Our new Black Cow Manure based casing 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...

**NEW** Our new Black Cow Manure based casing 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, spring...

(HOLIDAY SALE!) Coir is one of the best bulk mediums to grow mushrooms in. It's naturally resistant to mold and bacteria and mushrooms absolutely love it. When wet it expands to over 2.5 cubic feet....

(HOLIDAY SALE!) Coir is one of the best bulk mediums to grow mushrooms in. It's naturally resistant to mold and bacteria and mushrooms absolutely love it. When wet it expands to over 2.5 cubic feet. There are many different brands, styles and textures of coir sold for many different uses. We have hand selected Coco Coir, the best producing variety and brand available for growing mushrooms.

(NEW!)  The Supreme Jar Ecosphere 2.0 is the turn-key solution to growing in mass quantities FAST! By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space...

(NEW!)  The Supreme Jar Ecosphere 2.0 is the turn-key solution to growing in mass quantities FAST! By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space while only taking up a small amount of floor space. The Ecosphere gives you 4 or 5 customizable tiers of growing room allowing for multiple growing projects all in one all-inclusive setup! Harvest over 16 dry ounces in a matter of weeks! Growing mushrooms requires specific climate conditions. To...

This Mini digital thermometer is perfect for monitoring the incubation and fruiting temperatures and humidity in any size setup! Perfect for bulk grows, it mounts easily to the side of any...

This Mini digital thermometer is perfect for monitoring the incubation and fruiting temperatures and humidity in any size setup! Perfect for bulk grows, it mounts easily to the side of any container. The easy to read screen displays temperature and humidity levels. The compact size of less than 1" and weighing only .6oz it can collect readings in any spot without damaging your grow. Includes 2 lithium LR44 batteries.

The Monster Monsoon Mushroom Ecosphere is the turn-key solution to growing in mass quantities. By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space while only...

The Monster Monsoon Mushroom Ecosphere is the turn-key solution to growing in mass quantities. By utilizing vertical space, the Mushroom Ecosphere has over 17 cubic feet of interior space while only taking up a small amount of floor space. The Ecosphere gives you 4 customizable tiers of growing room allowing for multiple growing projects all in one all-inclusive setup! With all the grain and substrate you'll need to grow over 60 dry ounces of your favorite mushroom! Bulk Growing requires a lot...

(Included with the Monsoon Ecosphere Package) The Mushroom Monsoon Humidifier is the easiest way to add humidity to any larger fruiting chamber or greenhouse. When you are maxing out the space in...

(Included with the Monsoon Ecosphere Package) The Mushroom Monsoon Humidifier is the easiest way to add humidity to any larger fruiting chamber or greenhouse. When you are maxing out the space in our Ecosphere greenhouse with 6 or more trays growing at once, the demand for moisture and air exchange is extremely high. Most people manually mist the trays but that becomes a full time job! We've spent months looking for a solution and tested 21 different styles, brands & models of external...