Spawn to bulk substrate ratio. This bulk substrate calculator is here to help.
Spawn to bulk substrate ratio. Whether working with nutrient-rich supplemented substrates or coir-based bulk substrates, following the . Perfect for beginners and experts alike. A general guideline is to use about 20-30% grain spawn relative to the substrate volume. Luckily for us, one pound of colonized grain spawn equals roughly . Quote from Paul Stamets and J. The recommended ratio of how much spawn to substrate is generally no less than 20% (1 part spawn to 4 parts substrate). No one really lays out the ratio, that I could find anyway. 89 quarts and the same is true for most coco-coir and vermiculite-based bulk substrates. Straw as a Substrate 4. You need substrate for your mycelium to feed on, not enough substrate you will not get as many fruits and it will also dry out faster. Add 1500g of coco to the container, mix this. Dec 15, 2024 · This method will make approximately 7 quarts of spawn, which will produce upwards of 2-5 tubs depending on the size of the tub you will be using for your bulk grow. Cut off two bags of broken-up colonized grain (the bags that you previously broke up) directly below the filter-patch with a clean pair of scissors. Also estimates PROFIT %. 33 Quote from Paul Stamets and J. Sep 27, 2022 · Depending on how much spawn is used, it can take anywhere from 5 days to 2 weeks for it to colonize. See our full guide on tub sizes and substrate-to-spawn ratio here. 🌿🍄 What’s the ideal spawn to sub ratio? What are the benefits of having a thicker or thinner substrate, or a higher/lower spawn:sub ratio? Sep 12, 2014 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Everyone has their own preference but in my grows I've found 1:1 or 1:2 spawn to substrate gives the best results but that's my personal opinion . Not sure if it would matter what grain I'm using but its rye and my substrate Discussion regarding the optimal ratio of grain spawn to bulk substrate for mushroom cultivation. The video for the process of producing the hardwood substrate is located here. Choose right grain for spawn. In your case, you have 5 rice bags as your spawn, and you're using a mix of coir and vermiculite as your substrate. Everything Monotub - 3 Ways to Figure Out How Much Grain Spawn You Need for a Mushroom Grow Project OneEarth Mushrooms 38. A greater spawn rate is preferred, because in addition to the faster colonization, the grains are an important source of nutrients during fruiting. Best price here A written procedure for producing grain spawn can be viewed here and a video of the process is here. Will this be enough grain spawn and substrate for a 66 qt modified monotub? All of these questions AND MORE answered in this video! Watch OVEN Pasteurization of Bulk Mushroom Substrates | 90 Second Rice Bulk Spawn Ratios EXPLAINED ️ Links to most of what you need below to get started! 👇 The spawn ratio that we recommend is two pounds of colonized grain spawn per five pounds of pre-pasteurized mushroom compost. Dec 19, 2022 · Hi shroom lovers! To me it is a bit unclear, how everyone measures their spawn to bulk ratio. Apr 12, 2023 · A lower ratio is one where which uses closer to equal parts of spawn i. Oct 3, 2024 · The spawn-to-substrate ratio is critical in mushroom cultivation. This thread is the "Tek" The help and input from the fellow shroomery members Required spawn amounts will vary from strain to strain, but as a benchmark, follow these ratios: If you’re looking to grow most exotic and functional mushrooms, you’ll be best off adding 1. This can cause some confusion when calculating the required substrate for a 3-pound bag of grain spawn. It is recommended for first time growers to use 20% spawn to substrate ratio to give your mycelium a head start over any other microorganisms. Ready to unlock your massive harvests? We learn together in this video how to master the spawn to bulk substrate technique and unlock massive harvests in this video! Jan 7, 2025 · Once your substrate is ready, it’s important to mix it with grain spawn at the right ratio. [gourmet] [technique] Grain spawn to bulk substrate ratio differences? For oysters and lions mane. Once this mixture is prepared and pasteurized – it’s mixed (inoculated) with fully Well 1:2 ratio would be more suitable. Try now! Jun 15, 2021 · For example, a ratio of 1:1 could mean 1 quart of spawn and 1 quart of substrate. For your other question, the most important part of the measurements given in the guide is the ratio of 1:1. Substrate recipes. Bulk substrates are often used in conjunction with a pre- colonized grain spawn substrate. What spawn to substrate ratio should I use when inoculating bulk substrates? 2. Jun 7, 2013 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. This ratio is fundamental in mushroom cultivation, as it directly impacts the efficiency of colonization, resource utilization, and the likelihood of contamination. Jan 9, 2011 · So I've seen a few arguments in the past that have covered this but I don't remember seeing any proof. If you're spawning to manure, compost, or coir, don't go over 1:4. S. Depends how confident you are on your sterile techniques. Learn the benefits of different ratios 1:1, 1:2, 1:3 preparation tips, and how to achieve maximum yields 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. Tested and working in the newest versions of: Firefox Internet Explorer Safari Chrome Grain spawn to bulk ratio Discussion regarding the optimal ratio of grain spawn to bulk substrate for mushroom cultivation Jan 2023 Read more Jan 30, 2022 · Hi shroomery community. 25lb grain bags with your favorite spores, once colonized break it up and mix in the 10 lbs of bulk substrate. First: is it weight or volume? And secondly (if you use weight), what do you consider? - dry rye before In today's class, I'll be going over how I spawn my grain jars to my coir substrate. What is the recommended substrate to spawn ratio for different types of mushrooms? Feb 8, 2025 · 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. 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. Natalensis. 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). Determine perfect substrate and spawn amounts for optimal yields. Mar 24, 2015 · I am wondering what is the difference of putting a 1:1 ratio of spawn/coir with a 2:1 spawn/coir? Is there more fruit yield with a 2:1 ratio or is there a same yield? I know that the more the spawn Overall guide about substrate types for mushroom growing. 25 A technique detailing how to use straw as a substrate for your shroomies. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! Jul 20, 2012 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Therefore, this step is rightfully referred to as "spawn to bulk. patreon. As you know, there’s a lot more factors at play than just spawn to sub ratios like spawn cleanliness, genetics, proper FAE, etc so assuming all of that is in order, than yes, a 1:6 ratio would result in more mushrooms than a 1:1. Mushrooms Q&A Aug 22, 2024 · To calculate the right amount, you will need to determine the recommended substrate to spawn ratio for your specific type of mushroom and then multiply that by the volume of your grow space. Use gloves to maintain sterility and mix the spawn thoroughly with the substrate to ensure even colonization. comSupport this work directly on Patreon: https://www. Advantages of bulk and casing. For example, a 1:2 ratio means 1 part spawn to 2 parts bulk. honestly if you are using a pressure cooker to sterilize your substrate and have decent technique I would recommend using less than When moving PF Tek to bulk production, use BRF cakes as spawn for bulk substrates, experiment with different substrate recipes, adjust the optimal growing conditions, and maintain proper hygiene. But one overlooked decision can make or break an entire batch: how much spawn to use. It discusses two fruiting methods: using mushroom cakes in a fruiting chamber or spawning to bulk in a monotub. Jan 6, 2016 · I made a substrate calculator that is super easy to use, and will hopefully have more and more features coming. Have some nice grain spawn from LC that should be ready in a few days, planning on mixing it into CVG. And bulk substrate is almost always measured in pounds. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! Jan 31, 2011 · Bulk Growing for Noobs Introduction This is a really simple guide if you want to grow a bulk amount of Psilocybe Cubensis. Try roughly 10% spawn/ 90% substrate. Please login or register to post messages and view our exclusive members-only content. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! 🍄 Part 3: Spawning to Bulk (Fruiting) 🍄 Shroomscout’s Comprehensive “Easiest Way to Learn Shroom Growing with Uncle Bens Tek” Instructions. I'm using Oat Grain Jars in this demonstration, but you can use the Brow Sep 1, 2024 · Once your jars are fully colonized, you are ready to enter the final stage of the mushroom grow cycle, spawning to bulk (S2B). For this Tek you will need the following materials: 2 quarts of Rye Berries, just under 3 lbs. Calculate precise water needs for ideal mycelium growth, prevent sterilization failure, and enhance successful mushroom cultivation. Sep 13, 2016 · Hello everyone, I have a few questions you probably hear all day, but I cannot find a good answer yet: In a few weeks I will have 3qt of spawn and looking for a good substrate ratio for a monotub Oct 5, 2022 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Mycelium overgrowth aka overlay is a common issue for this Dec 20, 2018 · So hopefully in a week I can spawn my first tubs I want to do shoeboxes and mini tubs. I can't seem to find a general consensus about the ratio between bulk substrate and spawn. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! May 27, 2025 · When it comes to mushroom cultivation, most growers focus on substrate composition, room conditions, and fruiting methods. ft. How to prepare bulk and casing substrate. 🌡️ Colonization grows best in steady conditions around 70–75°F with little air and darkness. The Psilocybe Cubensis family is known to grow well on a standard bulk substrate recipe – a mixture of coco-coir / vermiculite / gypsum (CVG). Calculator Services - Calculate Your Daily Needs! Discover the ideal mushroom spawn to substrate ratio for monotub mushroom cultivation. Move the bulk substrate into your fruiting vessel such as a monotub. The BucketTek is a simple method to make your own mushroom substrate at home with very little effort. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! 2) For Natal better to first -> then make (bulk substrate based on coco coir mix, 1:3 ratio) -> then after bulk colonization cover the cake with non-nutrient (based on peat moss mix) to initiate pinning and create good microclimate for fruiting. I want to know how much spoon I should use for each? I heard 1 quart of spawn to substrate and some say 2 quarts Saw this post about a 1:6 spawn to substrate ratio to reduce overlay; is this a solution looking for a problem? Anyone ever tried 1:6 or 1:5? Thanks! Feb 3, 2025 · Looking for the easiest way to make mushroom substrate? You’ve come to the right place. By properly introducing grain spawn to a prepared substrate, you create an environment where mycelium can thrive and expand, ultimately leading to robust fruiting. I have 3 fully colonized one pound bags of grain spawn and have sterilized about 10 pounds of bulk substrate. The difference between substrates: grain for spawn, bulk and casing. Fruiting your spawn to bulk substrate doesn’t have to be hard. Although there are many bulk substrate recipes online, this preparation method is simple, straightforward, widely available ingredients Bulk substrates are mildly nutritious materials used in mass mushroom cultivation. Use our free Mushroom Substrate Calculator to create perfect mixes for bulk substrates, grain spawn, and master's mix. In the next class, we will be spawning our broke boy jars to shoeboxes Jan 9, 2011 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. 00 A good tek to bring straw cultivation to those of us not ready to tackle more complicated teks. How spawn to substrate ratio affects yields #cultivation #mushrooms Spawn to bulk substrate ratio question. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more! Shop: Buy Bali Kratom Powder, Maeng Da Thai Kratom Leaf Powder Bulk Substrate In this 3rd video of my new series Substrate to Harvest on The Mush Report, I will be showing my step-by-step Spawn to Bulk transfer process of Ben's Original Ready Rice Bags I had previously Cool Down: Leave overnight to pasteurize and the come back to it in the morning Add the Grain Spawn: Once the substrate has cooled, add your grain spawn to the bucket. Hello everyone! Today we will go over how I spawn my grain to bulk substrate. Cut off the bag of broken-up colonized grain (the bag that you previously broke up) directly below the filter-patch with a clean pair of scissors. How to make mushroom cake or spawn to bulk for MonoTub, Bottle-tek etc. What is the consensus on the ideal ratio for Nat's? Discover the ultimate tool for mushroom growers! Easily calculate grain spawn to substrate ratios for optimal growth. I have a question regarding yield in monotubs. The bulk method is recommended. The document Jul 6, 2024 · Good morning, I’m using 6 quart shoebox tubs, and I was curious on the spawn to substrate ratio. Sep 13, 2016 · Hello everyone, I have a few questions you probably hear all day, but I cannot find a good answer yet: In a few weeks I will have 3qt of spawn and looking for a good substrate ratio for a monotub 4. You can use a spawn ratio of 1/20 if you're spawning to straw. com My Website: https://www I'm about to introduce four beautiful bags of snow white mycelium to it's new substrate home. . Assuming im using large doses coir tech at one brick coir, Optimize mushroom grain spawn hydration with the Mushroom Grain Spawn Moisture Content Calculator. Jan 12, 2025 · Each substrate has a formulated grain-to-substrate ratio that works effectively for optimal growth. Jul 10, 2025 · ⬇️ Prefer to listen instead? ⬇️ 🍄 A 1:2 to 1:3 spawn-to-substrate amount makes colonization much faster and lowers contamination. Used to determine the amount of coco coir, vermiculite, gypsum powder, grain, water, and other necessary ingredients for the creation of grain spawn and bulk substrate in order to cultivate mushrooms at home. From CVG, to woodlovers reci! Today's class will be about what I use for bulk substrate when I'm growing mushrooms. Straw, sawdust, cardboard, coco coir and coffee grounds are all examples of bulk substrate materials. Don’t use spores in BRF cakes without agar work; avoid overloading bulk substrate with cake spawn; and don't ignore signs of contamination. What spawn to substrate ratio should I use when inoculating bulk substrates? Quote from Paul Stamets and J. Mushroom growing with precise recipes. 5kg of grain spawn into a 3kg CVG substrate bag - around 33% grain/ 66% sub. Dec 10, 2022 · Discover the ideal 2:1 bulk substrate to grain spawn ratio for potent mushrooms! Learn tips and science from the 2024 Denver Shroom Cup. Add 750g of vermiculite, mix this Aug 14, 2016 · And what is the spawn to substrate ratio? Oct 19, 2020 · Would a substrate of 1 brick coir, 2 quarts verm, and 5 quarts water be enough substrate for 3 pounds of colonized grain spawn? Dec 3, 2010 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Dry Coco : 1500g Vermiculite: 750g Water: 10L Gypsum: 60g Step 1. e. Feb 5, 2023 · How does grain spawn increases your mushroom output by so much? When your grain spawn is fully colonized, the next step is to spawn it to a bulk substrate. Chilton: The Mushroom Cultivator, chapter 7: "The standard spawning rate used by Agaricus growers is seven liters/ton of compost or one quart/8 sq. Additives for fruiting substrate and casing. Fill a large 60L container with 10L of water and 60g of gypsum, mix this. Calculator located at: oneearthmushrooms. 5 spawn/bulk substrate. May 29, 2009 · Ok, yes, i have searched, im just getting tired of reading post after post. 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. Bulk Mushroom Substrate Calculator - Calculate Sub & Spawn Needed "on the fly" for Any Size Tub or Bucket Straw Ball Tek 4. Overdoing your spawn can block airflow, leading to stagnation. com/oneearthmushroomsHave you ever started a mushroom Feb 17, 2019 · USE YOUR BRF CAKES AS SPAWN! This thread is dedicated to cultivators using PF style BRF cakes as spawn in bulk substrates. 1:1 and a higher ratio utilizes more substrate than spawn. Growers usually use pre-colonized grain spawn to inoculate bulk substrates with mushroom mycelium. Spawn refers to the material inoculated with the desired fungal mycelium, while the substrate is the growth medium. A community for discussing and learning about the amazing P. Feb 9, 2025 · Inoculating substrate is a critical step in mushroom cultivation, setting the foundation for strong, healthy mycelial growth. For faster-growing gourmet and functional strains, you can get away with much less. Jan 17, 2025 · The spawn-to-substrate ratio defines the proportion of mycelial spawn relative to the bulk substrate in your cultivation setup. For the first time I have some pints that aren't colonizing at Coco Coir / Vermiculite Calculator. Mar 27, 2023 · If you've ever wondered, "How much substrate do I actually need?" you're not alone. 3) Typically from the very beginning. This will give you the total amount of substrate needed for your grow. Perfect for hobbyists and professional growers, this easy-to-use tool helps you optimize your growing process, reduce waste, and ensure healthy mushroom yields. Grow mushrooms with ease using Funguy Grow Supply's substrate calculator for your monotub. Step 3. Here is the issue. Step 2. Mushroom Spawn Ratio CALCULATOR TOOL to help you determine how much to use when inoculating bulk substrate. some teks use quart jars of spawn, and some use spawn bags, which are generally measured in pounds. So a 5lb mushroom grow bag with 1lb spawn and 4 lb substrate. Nov 12, 2023 · The Spawn Substrate Ratio Calculator aids cultivators in determining the ideal ratio between spawn and substrate for their growing chamber. And from that point on continue the grow as a monotub. That spawn is then used to inoculate the bulk substrate. This is for 12kg final weight, I recommend a ratio of grain:sub 1:2-3, so for 1kg of grain, you should use 2-3kg of substrate. First step of grain substrate preparation Join us in this enlightening video as we guide you through the art of transferring spawn bags to bulk substrate—a crucial step in the journey to cultivating a bountiful mushroom harvest. Instructions are given for materials needed, including tubs, substrates like coco coir and vermiculite, and pasteurizing the substrate. Does the yield have more to do with bulk sub surface area or amount of spawn used? For instance, assuming 2 tubs have the same When spawning to bulk for mushroom cultivation, the recommended substrate ratio is usually 1:1 or 1:2, with 1 part spawn to 1 or 2 parts substrate. Tried and tested, they love this. For cubensis verities i typically use a 1:1 or 1:2 spawn to substrate ratio but that's just my personal preference In this video, I go over how to spawn your colonized grain to bulk substrate! This is a process in which you mix your grain spawn in with substrate. 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. 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. Do spawn ratios affect yield? Some will argue: Quote: Yield is determined I'll def try some straw as a bulk substrate next time. " Generally, you would spawn your colonized grain to bulk at a ratio from 1:1 or 1:10 in volume. Oct 4, 2010 · Hey there, when spawning pan cyan mycelium on rye to a horse manure substrate, what is your preferred spawning ratio? Would the standard average 1:2 spawn ratio used with cubes or do Jun 6, 2023 · I've ran about 20 6qt shoeboxes now and every one has been a 1:1 using 2 pint jars oat spawn and 1qt CVG plus a thin pseudo casing. 4K subscribers in the Psilocybe_Natalensis community. So one is a measure of volume and one is a measure of weight. This is just from my understanding. This process allows the colonized grain spawn to colonize your substrate, eventually fruiting into gorgeous mushrooms! Supplies Required Fully Colonized Grain Spawn Substrate Hydrated to Field Capacity (Learn how to make this here) Container (Monotub or Unicorn Bag May 3, 2023 · 🍄 Ready to Grow Your Own Mushrooms? 🍄Take control of your health and start cultivating medicinal mushrooms at home with my comprehensive online courses! Wh Dec 5, 2020 · We frequently get asked the question, “how much grains and substrate should I purchase to spawn a gourmet monotub?” The answer is a proper ratio in your vessel of choosing. Spawn ratio is the proportion of colonized grain (spawn) used relative to your bulk substrate. 5K subscribers Subscribed This document provides instructions for spawning colonized Uncle Ben's rice bags to a bulk substrate. You can change your measurements to how ever much you need as long as you maintain the ratio. The more spawn used, the faster bulk substrates colonize. The spawn ratio that we recommend is two pounds of colonized grain spawn per five pounds of pre-pasteurized mushroom compost. Can anyone Grain spawn to substrate ratio - how to calculate from actual dry weights for monotubs Setting up a few 20l tubs and I want to get it right the first time, so could use some experience. 🧫 Pasteurization at 160–170°F for 1–2 hours is enough to prepare bulk substrates like coco coir. Tik Tok: / goomba_grows Instagram: / goomba_grows Business email: goombagrows@gmail. I’m aiming for a 1:3 ratio, but I’m still confused on how much spawn/substrate to use for my Dec 1, 2023 · PERFECT SPAWN TO BULK RATIO: Simply inoculate the two 2. This bulk substrate calculator is here to help. Bulk and Casing colonization We would like to show you a description here but the site won’t allow us. It comprises of using the PF TEK (v1, slightly modified) and spawning the Effortlessly calculate the exact amount of substrate needed for your mushroom cultivation with our Mushroom Substrate Calculator. Jul 19, 2012 · im am starting my first grow soon, my plan is to cook up some pf jars then crumble and spawn to a bulk substrate once fully colonized. bcneaopoyqmqyisvilgpyvylmgintubkguobpiheftczdl