Bulk grain spawn. only $10/5#bag 150 x 5# bags packed into cases of 12.
Bulk grain spawn And the manure-loving sterile substrate, injection port bag, and vermiculite provide mediums for colonization, incubation, and growth. In this blog, we will explore the best practices for working with grain spawn, from preparation to storage, equipping you with the Dec 1, 2023 · INCLUDES MONOTUB, 2 GRAIN SPAWN BAGS, BULK SUBSTRATE & CASING LAYER: The monotub is designed with airflow and humidity controls and requires no high-tech additions. Wholesale Pallet Sterile Mushroom Grain Spawn Growing mushrooms at scale? We have you covered. Explanation: There are three parts for spawning to bulk you need to know. Instead of sterilizing the substrate growers can pasteurize bulk substrate at a lower temperature without a pressure cooker. 5-micron filter patch to let air in and contaminants out. And its small size means your spawn will have many more inoculation points for the same volume of grain. Understanding how to effectively utilize grain spawn can enhance your mushroom-growing experience, ensuring healthy yields and vibrant fruiting bodies. Find everything you need to grow fresh mushrooms year-round at North Spore! Sterilized Grain Spawn Grow mushrooms at home with our high-quality sterile grain spawn. We’ve perfected the formula, and our collection includes Sterile Mushroom Grain Spawn Bag (5 Pound) and Bulk Grain Spawn with full and half pallets with five injector ports. Our 20 lb bag of red milo is a perfect choice for making mushroom spawn. Feb 22, 2023 · Spawning to Bulk – Layer or Mix? By Magic Mycology June 19, 2021 So your spawn bag is fully colonized and you are ready to spawn to a bulk substrate in a mono-tub. Grain spawn is the material used to grow mushrooms after the spores have been germinated and expanded. Introduction Spawning to bulk refers to the practice of mixing colonised mushroom spawn (such as grain spawn) with a nutritious substrate in an effort to expand the growth of the mycelium and eventually fruit into edible mushrooms. While this step may seem insignificant, I wanted to test to see if the method of mixing your bulk sub and spawn made any difference to colonization time, yields, contamination, etc. 1:1 and a higher ratio utilizes more substrate than spawn. You can case grain directly You can inoculate more grain jars You can spawn bulk substrates like straw, cow or horse dung or compost You can make mycelium syringes You can't. Gain more mycelium per batch and boost your overall harvest potential. Ready-to-inoculate sterilized organic rye berries in an autoclavable filter-patch bag. What's confusing to me is that different people say different things. Try now! Mar 22, 2025 · Discussion regarding the optimal ratio of grain spawn to bulk substrate for mushroom cultivation. Shroom Supply : Bulk Substrate Tutorial Using Pre-Pasteurized Compost & Monotub - Mushroom Grow Bags Casing Mix Grain Spawn Bulk Substrates Books & Videos Canners & Sterilizers Laboratory & Agar Supplies Mushroom Grow Kits Staggered Shipping Syringes & Needles Air Filtration Myco Jar Lids Custom Shroom Gifts Specialty Mushroom Products Grow Room Supplies Impulse Sealers Raw Ingredients BRF Jan 13, 2025 · Portobello Grain Grain such as wheat, rye berries, or even brown rice can be used to create grain spawn, which is then mixed into bulk substrate. Grain spawn is used to inoculate many bags of bulk substrate quickly, and is the choice methodology for medium and large scale growers. This process allows the colonized grain spawn to colonize your substrate, eventually fruiting into gorgeous mushrooms! Supplies Required Fully Colonized Grain Spawn Jan 7, 2025 · In the world of mycology, the use of grain spawn is a pivotal step for both novice and experienced cultivators. Ideal for grain spawn: clean prep, consistent hydration, dependable results. Explore premium mushroom grow kits, spawn bags, substrates, and cultivation supplies. Inoculation: Grain can be inoculated with with a syringe, agar wedges of grain to grain transfer, while the PF-jars are limited to a syringe. Grow with confidence! Discover how grain spawn serves as the foundation of mushroom cultivation. Rye berries are ideal for this purpose in providing the necessary moisture, nutrients, and are readily available online or at your local feed store. Mar 18, 2025 · By implementing a half-step between jars and bulk grain bags, you create a more uniform harvest schedule—especially useful if selling at farmer’s markets or planning commercial production. Grow mushrooms with ease using Funguy Grow Supply's substrate calculator for your monotub. The difference between substrates: grain for spawn, bulk and casing. The small particle size of millet allows for fast growth onto the inoculated substrate, making it even easier to grow your own tasty mushrooms. Milo is nutrient-rich grain that is widely available year round. Feb 3, 2025 · For example, a ratio of 1:1 could mean 1 quart of spawn and 1 quart of substrate. Learn about the best bulk mushroom substrate options and sterile grain bags for a successful harvest. 60% more spawn than your standard grain spawn bag! Feb 3, 2024 · About this item 2 Quarts (2. Cake — aka mushroom cake or mushroom block, refers to a fully colonized bulk substrate in the fruiting phase of cultivation What is bulk? What is casing? Why some growers use bulk & casing and some don't? Why Spawning Uncle Bens Spawn Grains TO BULK: Spawning to bulk in a Monotub is easy and will get you bigger yields for your spawn grains. High Inoculation Power: Because grains are small, they offer a large surface area for mycelium to grow, leading to faster colonization of the bulk substrate. It is free of any additives or chemicals and is to be used in conjunction with our mushroom grain spawn. Best Mushrooms To Grow Using Grain Spawn: Oyster mushrooms Lion's mane Pioppini Coco Coir And Vermiculite Coco Coir is considered one of the most effective types of substrate for high-yield harvests. g. . Jun 17, 2024 · Cultivating mushrooms at home can be a rewarding experience. Browse our inventory, from monotubs to mushroom grow tents. Discover the key differences between mushroom spawn and mushroom substrate, their roles in cultivation, and how to use them together for optimal mushroom growth. Sep 15, 2025 · Other types of mushroom spawn Another type of mushroom spawn is straw spawn. Mushrooms Q&A Jan 12, 2020 · Hi! I've been trying figure out when the appropriate time is to spawn my grain-jars to a bulk substrate. Bulk Red Sorghum (Milo) is best known for its ease of use in the mushroom growing world. Our Spawn bags come Oct 12, 2025 · Learn how to spawn bulk substrate to a monotub using the right spawn ratio, tub size, and colonization process for successful mushroom growth. Our substrate is easy to prepare and can be inoculated with mushroom spawn to produce healthy Mar 22, 2025 · Spawn jars in incubator for colonization period What is the best choice of grain for G2G transfer? ️ Smaller grains (e. ️ Spawn on small grains is preferable and effective for grain-to-grain inoculation. 5lbs) of Grain Spawn in Each Bag (2 Bags Total) Pressure Sterilized for 3 hours using cleaned organic cereal grains to eliminate residues and starches. only $11/5#bag ***Freight is included. To ensure clean spawn, the use of agar is essential. Day 15-18. 89 quarts and the same is true for most coco-coir and vermiculite-based bulk substrates. Our substrate is easy to prepare and can be inoculated with mushroom spawn to produce healthy Sep 1, 2024 · Spawning To Bulk 📈 Once your jars are fully colonized, you are ready to enter the final stage of the mushroom grow cycle, spawning to bulk (S2B). Spawning to bulk does not have to be a sterile procedure in the same way that creating grain spawn is. Bulk GrainBulk White Sorghum (milo) is best known for its ease of use in the mushroom growing world. This stage of the mushroom cultivation process comes before you use your grain spawn to inoculate your final bulk substrate, but after you’ve made (or purchased) your pure culture. millet) colonise the grain substrate faster after grain-to-grain transfer because of the greater number of mycelial development points. The Psilocybe Cubensis family is known to grow well on a standard bulk substrate recipe – a mixture of coco-coir / vermiculite / gypsum (CVG). 1lb bags with consistent hydration. How to make mushroom cake, Spawn to Bulk and Casing On this step spawn colonization is completed. By using millet, the mycelium will spread more evenly and abundantly Grain spawn should be used to inoculate bulk substrates such as cornstalks, coffee grounds, straw, or other organic material. com : Rye Berries for Mushroom Spawn - Organic, Triple Washed Rye Grain to make Mushroom Grainspawn by Mycology Basics - 5 lbs : Grocery & Gourmet FoodAbout this item The cleanest Rye money can buy - you will not frequently find other grain types or sticks within your order, and you will not need to wash the grain nearly as much as other grain Washed for longer and at a higher Shroom Supply : Bulk Substrate Tutorial Using Pre-Pasteurized Compost & MycoBags - Mushroom Grow Bags Casing Mix Grain Spawn Bulk Substrates Books & Videos Canners & Sterilizers Laboratory & Agar Supplies Mushroom Grow Kits Staggered Shipping Syringes & Needles Air Filtration Myco Jar Lids Custom Shroom Gifts Specialty Mushroom Products Grow Room Supplies Impulse Sealers Raw Ingredients BRF Jun 7, 2013 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Bulk White Sorghum (milo) is best known for its ease of use in the mushroom growing world. Millet has a much lower endospore load, making it less prone to contamination, and its small size means that your spawn will have many more inoculation points for the same volume of grain. Learn to choose the right grain, inoculate, and optimize for a successful mushroom harvest. Each jar comes with a premium 0. Feb 23, 2025 · A lower ratio is one where which uses closer to equal parts of spawn i. However, accurately calculating the amount of bulk mushroom substrate needed for your monotub can be a common hurdle, leading to either excess waste or insufficient material. Sep 12, 2014 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. If you’ve ever wondered, “How much substrate do I actually need?” you’re not alone. It is sourced from local farms, free from harmful chemicals or additives, and is rich in protein, fiber, and essential vitamins and minerals that promote healthy mycelial growth and fruiting. This spawn is then used to inoculate the bulk substrate. With our step-by-step instructions, you'll be growing your own delicious and nutritious mushrooms in no time. Choose single bags or bulk packs with discounts. Our substrate is easy to prepare and can be inoculated with mushroom spawn to produce Mar 14, 2025 · Learn how to spawn grain spawn to bulk substrate in this step-by-step guide for mushroom cultivation. Grow your own mushrooms with North Spore's organic grain spawn. Please login or register to post messages and view our exclusive members-only content. Simply break up the grain spawn well, then transfer some grains to each bag you want to inoculate. This Mushroom Substrate Calculator will guide you through Feb 22, 2023 · One of the most common methods for starting a bulk mushroom grow is to use Rye Berries or other grain as a medium to spawn your mushroom spores. Now you've already have grain spawn for making mushroom cake/block. I've watched some youtube-vid It arrives contaminate free, fully developed, and ready to use. Tips on sterilization, temperature, contamination, and more! Learn what grain spawn is, the best grains to use for grain spawn, what supplies you'll need and how to make grain spawn step-by-step. Bulk substrates are typically used with pre-colonized granular grain spawn growth substrate. Nov 23, 2015 · Making grain spawn is a stage of mushroom cultivation the whole family can get into – there’s a job for everyone. For example, a 1:2 ratio means 1 part spawn to 2 parts bulk. Shroom Supply mushroom compost is specifically formulated for growing mushrooms. Choose from Lion's Mane, Reishi, Shiitake, and more for a fruitful cultivation experience. Jan 12, 2025 · Learn to avoid 7 common grain spawn mistakes for successful mushroom growing. Choose right grain for spawn. Nov 11, 2023 · Discover the essentials of grain spawn in our comprehensive guide. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! Jul 9, 2025 · Turning grain spawn into a bulk substrate is where mushroom cultivation goes from hobby kit to serious home lab. When birthing your spawn to a bulk substrate the ratio of substrate to spawn you use will have a major impact on the success and/or failure of your grow. Once this mixture is prepared and pasteurized – it’s mixed (inoculated) with fully Check out our bulk grain spawn selection for the very best in unique or custom, handmade pieces from our gardening tools shops. Buy our premium organic grain spawn the cheapest way possible, by the full pallet or 1/2 pallet. The mushroom mycelium is then transferred to a bulk substrate, expanding the mycelium before the mycelium is placed into fruiting conditions and Mar 10, 2025 · Grain spawn acts as the vigorous, nutrient-rich seed that expands into bulk substrate, while the substrate provides the food, water, and environment needed to produce mushrooms. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! Use our free Mushroom Substrate Calculator to create perfect mixes for bulk substrates, grain spawn, and master's mix. Mar 22, 2025 · Overall guide about substrate types for mushroom growing. Learn what grain spawn is and get expert tips on how to use it effectively for successful mushroom cultivation. May 23, 2021 · Now that your grain spawn jars are fully colonized, it’s time to cook up the last substantial meal for your fungal friends – the bulk mushroom substrate. Versatility: Grain spawn can be used to inoculate a wide variety of bulk substrates, including straw, wood chips, compost, and even logs. Organic rye grain spawn, sterilized and ready to inoculate. Apr 15, 2025 · The spawn to bulk ratio refers to the amount of colonized grain spawn (the mycelium-rich inoculant) you add to your uncolonized bulk substrate (the material mushrooms grow in, such as coco coir, straw, or manure). 5-Pound Mushroom Grain Spawn Bags Get started on your mushroom-growing journey with our premium mushroom grain spawn bags! We store our bulk grain spawn in superior-quality Unicorn bags made in the USA, with a validated 0. The grain spawn is inoculated with mushroom mycelium and incubated (left alone) until the mycelium engulfs the spawn and reaches 100% colonization. e. Determine perfect substrate and spawn amounts for optimal yields. Perfect for beginners and home growers using monotubs, dub tubs, or grow bags. 300 x 5# bags packed into cases of 12. Instead, it’s used as a bulk substrate to expand an established spawn culture. 22 micron filter disk and a self-healing injection port for easy and error-free inoculation Pressure sterilized at 15 psi for 120 minutes, ensuring the jars are free of contaminants upon arrival. Making bulk substrates without a pressure cooker is a bit more straightforward than making grain spawn, especially when growing gourmet mushrooms. Interested in learning more about Grain Spawn for growing mushrooms? We've compiled a list of the most frequently asked questions. It arrives contaminate free, fully developed, and ready to use. Speeds up the growth of your bulk/monotub setup, making it easier North Spore offers the widest range of mushroom growing supplies for commercial mushroom growers and mushroom farms including bulk grain spawn, bulk sterile substrates, liquid culture, and more. Nov 7, 2023 · I've spent the last 5-10 minutes searching but couldn't really find a proper answer at least not using the search function. Not sure if it would matter what grain I'm using but its rye and my substrate Bulk White Sorghum (milo) is best known for its ease of use in the mushroom growing world. This can cause some confusion when calculating the required substrate for a 3-pound bag of grain spawn. Millet has a much lower endospore load than rye and wheat, making it less prone to contamination. Pre-pasteurized premium bulk substrate mushroom compost in a gusseted autoclave bag with filter patch. Product Description LION'S MANE GRAIN SPAWN Our grain spawn is grown on 100% certified organic rye berries. Luckily for us, one pound of colonized grain spawn equals roughly . First step of grain substrate preparation Millet is an ideal grain for spawn production and supplementation. If you are a large scale mushroom grower looking to offload the burden of making hundreds of pounds of sterile spawn we can help. Whether you’re prepping spawn bags, jars, or bulk grow setups, our white millet delivers unmatched results in colonization speed, fruiting consistency, and overall yield. Unique 3 Mineral blend added to promote germination and growth while preventing grains from sticking together Simply add 5 cc's of your favorite grain or dung loving spores or liquid culture. Straw spawn isn’t usually inoculated using a fresh mushroom culture. Fungi Ally Mushroom Grain Spawn is great to use for indoor inoculations including straw, coffee grounds, and supplemented sawdust. Making your own grain spawn may take some time to master, but the benefits far outweigh the challenges. So, if you have 1 quart of spawn, you’d mix it with 2 quarts of bulk substrate. Cardboard spawn is another tried and tested method of mushroom cultivation. Perfect for beginners and experienced growers alike. Covers how to mix colonized grain with coco coir, vermiculite, and other bulk substrates. only $10/5#bag 150 x 5# bags packed into cases of 12. Grain spawn allows for even distribution throughout a substrate while offering the mycelium a 'grain' of energy from which to expand. We offer great prices for bulk orders. Amazon. Don't miss out on this essential component of mushroom cultivation - start making your own grain spawn today! Mar 22, 2025 · Step 8. Nail these steps—grains selection, sterilization, mixing, monitoring, and troubleshooting—and you’ll have solid, vigorous mycelium ready to fruit. Mushroom growing with precise recipes. Mar 5, 2023 · Learn how to make mushroom grain spawn with our easy-to-follow guide. Our Millet is triple cleaned and ready to grow! Bulk White Millet (Dry) Currently available in 20lb bags and by the pallet Apr 2, 2024 · About this item Generous 5-LB Supply: Each grain spawn grow bag offers a full 5 pounds of premium Organic grain, delivering up to 60% more mushroom spawn than standard 3-pound options. The red pigmentation of the grain also Millet is an ideal grain for mushroom cultivation and can be used for making mushroom spawn or as a substrate supplement. Discover the best grains for spawning, sterilization techniques, and tips for inoculation and incubation. This choice bulk substrate is composed of five main ingredients including an organic compost specifically The grain’s texture provides the ideal mix of moisture and air pockets to help your culture thrive. Our mushroom grain spawn is second generation 3-PACK (32 ounce) Jars of organic rye berries mixed with small grains for faster colonization times. 25-2. Bulk Spawn Use: This bulk substrate is typically 1-10 times the volume of the spawn grain and significantly increases yield per given volume of spawn. With its high protein and mineral content, our sorghum/milo substrate provides the ideal growing environment for a variety of mushroom species. Sep 27, 2022 · Bulk substrates are lightly nutritious materials used in the production of large-scale mushrooms.