1 qt spawn monotub. What is the average DRIED Yield for a 50-66qt size monotub considering you have full coverage? With Out Cloning/Agar? and With Cloning? What size Monotub for 1 lbs of rye grain spawn and 5 pounds of sub? I was originally thinking of doing a shoebox dubtub tek. So take that into consideration. I only have 3 pints of spawn, or about 1. This post is my method of how I am doing a bulk grow. For someone who is using 3. The Psilocybe Cubensis family is known to grow well on a standard bulk substrate recipe – a mixture of coco-coir / vermiculite / gypsum (CVG). Let's say 3qt spawn + 6qt substrate (1:2 ratio) = 9qt. All-in-one 66-quart monotub grow kit with bulk substrate, spawn bags, and casing mix. How to prepare bulk and casing substrate. Substrate recipes. 5 in. Adjust these amounts as needed based on the mushroom species or variety you’re growing. What monotub size would be best AND Would it be a good idea to split up 9qt of spawn-substrate mix on two monotub? Oct 16, 2025 路 Monotub is a type of fruiting chamber for mushroom cultivation. . *Presto 23 Quart Pressure Cooker* - Ensure sterilization for your substrate, grain and culture media with this reliable pressure cooker. What’s the ideal spawn-to-substrate ratio? Aim for 1:2 to 1:4 spawn-to-substrate ratio (e. Considering the water weight, are 6 pounds of colonized grain too much for a 66qt monotub? How many pounds of colonized grain would you recommend I use? Take your mushroom cultivation to new heights with the Microppose Medium Monotub, engineered to deliver exceptional results for large-scale bulk grows. I would say go with a 1:2 spawn: substrate or less if you can. This method is favored for its simplicity, cost-effectiveness, and ability to produce large yields in small spaces. What I have seen is people using 3 lbs of spawn + 3-6 lbs of bulk for this size of tub, since I have 4. Higher spawn ratios colonize faster, reducing contamination risks. Why Growers Choose This Kit It all depends on how much spawn you put in. Sep 13, 2016 路 Let's say 3qt spawn + 6qt substrate (1:2 ratio) = 9qt. So for that 2:1 would be 10 cups or 1. Includes mist bottle, filters, and instructions—ideal for high-yield home growing. Find it here: https://amzn. Shroom Supply specializes in mushroom growing supplies, mycology tools, mushroom grow kits, and lab equipment. Expect about 1 oz dry per quart of spawn. This means that for each gallon of substrate you'd want a quart of spawn. For my monotub, a 66-quart Sterilite container, how many lbs of spawn for how many lbs of substrate? I will be growing yellow oyster mushrooms, in case anyone has any additional tips for success. 5qts grain spawn. 75 Qt of Verm My Monotub is a 14"L This post is my method of how I am doing a bulk grow. to/47Ozwbc 2. I just spawned the first one I barely got 5 in. For spawn to bulk you mix a few spawn jars or spawn bags in one tub. Our substrate calculator takes the guesswork out of the equation, ensuring • Injection port bag or fully-colonized grain spawn • Clear plastic ~64 quart bin or a ready-made monotub • An opaque black contractor bag (if you are going to make your own monotub) • Self-adhesive monotub filters (both 1 inch and 2 inch) • A hand drill with a small drill bit for pilot holes • 2 hole saw bits, both 1 inch and 2 inch Dec 5, 2020 路 Learn how much sterilized grains and substrate to purchase to spawn a mushroom monotub. 1:3 for a shoebox would be 3 quarts substrate and 1 quart grain spawn. This is exactly what The question was asked because I have 'too much' spawn compared to what is typically used in a 66 qt mono tub. 馃崉**My Favorite Mushroom Cultivation Supplies**馃崉 1. In both, mushroom spawn previously grown on some kind of grain is used to inoculate a tub full of bulk substrate in order to increase yield. Do I need a casing layer, and if so, how do I apply it? Built around our Grower’s Select 44-Quart Monotub, this kit provides the ideal balance of airflow, humidity retention, and space for consistent colonization and strong fruiting. When using smaller ratios of spawn, you tend to see higher contamination rates. For each layer of substrate, I had a layer of spawn on it that completely covered the substarte INCLUDES MONOTUB, GRAIN SPAWN, BULK SUBSTRATE & CASING LAYER: The monotub is designed with airflow and humidity controls and requires no high-tech additions. 75 Qt of Verm My Monotub is a 14"L Our Medium Pre-Cut Monotub Liners are precision-sized for 44-quart monotubs including Grower’s Select, Microppose, and similar 30–44Q bins. The volume of such tub can be from 6 Qt for mini-monotube (aka shoeboxes) to 32, 54, 80 Quart sizes and even bigger. Using a black, unscented trash bag, cut the bag in a rectangular shape for the liner. I use 4 -5 quarts of spawn to one block of coir for my 56 qt monos 2 for my 32 quart and I do single quart dub tubs. Additives for fruiting substrate and casing. Step-by-Step Monotub Setup: Spawn and Substrate Preparation: Grain Spawn (Oats): Learn how to make grain spawn here. Hello, I've got myself a Monotub But I'm stuck! I can't work out how many jars of grain spawn I need to mix with my bulk substrate. In this video I show you how to grow mushrooms from start to finish in a monotub. Same with spawn. Demo photo: liner drops in cleanly and folds over the rim for fast setup. I wanted to spawn my jars into a monotub, but I doubt 1 quart jar is enough to colonize a 66qt container. 5quarts, as I miscalculated how much spawn I'd need for an unmodified monotub. I am planning to follow Damion's coir tek, which calls for 1 brick of coir, 2 quarts of verm, and 5 quarts of spawn. However, knowing a little more about the reasons may help inform your choice. 5-3qts of spawn to around 5-6 lbs/Qts of substrate • Injection port bag or fully-colonized grain spawn • Clear plastic ~64 quart bin or a ready-made monotub • An opaque black contractor bag (if you are going to make your own monotub) • Self-adhesive monotub filters (both 1 inch and 2 inch) • A hand drill with a small drill bit for pilot holes • 2 hole saw bits, both 1 inch and 2 inch How to make mushroom cake or spawn to bulk for MonoTub, Bottle-tek etc. These Small Pre-Cut Monotub Liners are custom-sized for 28-quart cube-style monotubs so you can line your tub in seconds—no trimming, measuring, or wasted plastic. I typically go 1:2 or 1:3 ratio for a shoebox. 5 qts) After pasteurization, mix it with fully colonized Grain Spawn. I was speaking with u/mushroom_kai who spawned in a 32qt monotub with only two pints of spawn, and seemed to get a pretty good canopy (they have photos on their profile)! Learn how to spawn bulk substrate to a monotub using the right spawn ratio, tub size, and colonization process for successful mushroom growth. I just read that standard monotub depth is 4 in. Too much, and you risk contamination and wasted materials. 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. What monotub size would be best AND Would it be a good idea to split up 9qt of spawn-substrate mix on two monotub? Can I spawn a 66qt monotub with 1 colonized quart jar? I was trying a new tek and ended up completely losing two of my jars. Advantages of bulk and casing. The more weight or volume you have the longer it will take. Featuring an impressive 66-quart growing capacity, this monotub is built with precision and durability to meet the needs of serious growers. 5 lbs of spawn, I was just wondering if using 3 lbs of bulk (on the low end) was problematic, from what I understand, it shouldn't be. I have a monotub with substrate depth at 1. Learn how to grow mushrooms using the monotub method with this step-by-step guide for organic and sustainable cultivation. Bulk and Casing colonization 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. Every element, from construction to airflow desig Discover the ultimate tool for mushroom growers! Easily calculate grain spawn to substrate ratios for optimal growth. I planned to do 8 quart jars mixed with substrate in each max yield bin. Check out my new How to Grow Mushroom - UPDATED video. Just break up your fully colonized grain spawn, mix it with the included bulk casing mix, and let the monotub do the rest. On this step you need to prepare Bulk substrate first. Perfect for beginners and experts alike. But I thought about it, and I want to do a monotub. I would like to stick to a 1:2 ratio like this. *Sterilized Petri Dishes* - Kickstart your cultures easily with these ready-to- pour, sterilized petri dishes. Ingredients (for 5 Qt grain spawn): coco coir - 1 brick (1,4 lbs = 650g) vermiculite - 8 cups (2 qts) gypsum (CaSO 4) - 1 cup hot boiling water - 18 cups (4. My shoeboxes hold 4qts of volume at a 3” depth. Subscribe to our Mushroom News and get more mushroom tips, tricks, and cultivation knowledge directly to your inbox. Pasteurization kills contaminants while preserving beneficial microbes. g. Research shows that in general you get best results with more, but a 1/4 ratio is standard. Learn more about spawning mushrooms with Fungstrate. My tub is a 35L I think I'm going to fill it 3to4" deep but I want Dub tub is very much like monotub tek except, as the name implies, monotub uses only a single tub. Using Damion5050 Coir Tek This is my first time and heres what im using 1. Thanks! 1 reaction · 38 comments 蟊帠 Fruiting king oyster mushrooms: substrate setup? I'm trying to grow King Oysters. Easily Calculate Your Mushroom Substrate Needs Growing mushrooms in a monotub is a rewarding experience, but getting the right amount of substrate is crucial for success. , 1 quart spawn for 2-4 quarts substrate). I put 2 quarts of grain spawn and 6 quarts of coir in a 44 quart monotub. Substrate (Coir): Simple substrate recipe here. Explanation: There are three parts for spawning to bulk you need to know. I have a 51 Qt monotub and it took I did 1:2 ration of spawn to sub 4 Qts Rye : 8lbs mushroom compost substrate For a tub your size I'd say somewhere around 2. Coco Coir / Vermiculite Calculator. 5qts substrate and 6 cups or 1. Is there a limit to how much grain spawn I can put in the monotub? So I got a max yield bin which is about 60 quarts I believe. Boasting an impressive 44 quart growing capacity, this monotub is thoughtfully designed with precision and durability to meet the demands of serious growers. A monotub is a modified plastic container designed to create an optimal environment for growing mushrooms. The monotub fruiting chamber is a popular method of mushroom cultivation because it is relatively simple to construct and operate, and can yield large amounts of mushrooms in a relatively short period of time. I have a nice bag of Skip the scissors. Each liner is UV-C sterilized and factory folded, ready to drop straight into your tub. This can be done several ways, by adding tissue from a petri dish or slant to sterilized grain, or by squirting 2 to 6 m What do you recommend by experience? When I have my spawn + substrate ratio. Recommended Grain Spawn Per tub: 2 Spawn Bags or 3-4 32oz Grain Jars Recommended Bulk Substrate: 10 lbs I just picked up a 105 quart storage bin that I plan on turning into a monotub what would be a good ratio of spawn to substrate? I plan on using rye berries in quart jars vermiculite and coir, for the substrate I was thinking 7 quarts of spawn, 3 quarts verm, 2 bricks of coir does that sound 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. And what is the spawn to substrate ratio? For the 28-Quart Monotub, a typical ratio is 4-5 pounds of bulk substrate combined with 1-2 pounds of grain spawn. Am I going to fail my first mono or is there still hope? What kind of problems I have a 66 qt tub, approximately 16 gallons, that I plan to use for my next grow. Mushroom growing with precise recipes. Apr 19, 2024 路 Easily Calculate Your Mushroom Substrate Needs Growing mushrooms in a monotub is a rewarding experience, but getting the right amount of substrate is crucial for success. Elevate your mushroom cultivation with the Microppose Monotub, designed to deliver unparalleled performance for large bulk grows. Oct 12, 2025 路 Learn how to spawn bulk substrate to a monotub using the right spawn ratio, tub size, and colonization process for successful mushroom growth. Mixing and Filling: Spray all tools and containers down with 70% Iso Alcohol. I did 2:1 in a 30 qt tub currently and it's doing quite well so far. 5 in and another at 2. And the manure-loving sterile substrate, injection port bag, and vermiculite provide mediums for colonization, incubation, and growth. One is coming along very nicely and the other is growing significantly slower with no signs of contam yet. Use our free Mushroom Substrate Calculator to create perfect mixes for bulk substrates, grain spawn, and master's mix. I'm using 66qt monotubs and I'm trying to follow the 1:1 ratio for substrate to spawn but finding it a bit confusing. 5-4 lbs spawn and around ten pounds of bulk substrate, is the 54 quart tub pretty much the ideal size? Edit: Photos of the tubs in comments —- I got 2 16 qt tubberware containers and a 70 QT tub for mushroom growing, how much grain and substrate in pounds would I need for the 16 QT and how much for the 70qt? Or do I just eyeball it and try to aim for a certain height of the substrate and grain when it's time to spawn to bulk. The higher the ratio the longer it usually takes to cultivate. In this post will discuss how to make perfect grain spawn every time using rye. Grain is hands-down the best spawn substrate you can use. It is called Spawn to Bulk (S2B). Just unfold, drop in, fold over the rim — done in seconds. Over the course of several flushes that will yield at least a quarter pound dry before contaminating. Generally speaking, the first step in growing mushrooms is to create grain spawn. If monotub contaminated, all the amount of mushrooms that could have been given from each small mushroom cake separately will be lost. I have about 6 quart jars worth of spawn and was wondering instead of doing one monotub would it be better to do two separate ones? I'm just… Hi my friends. Too little substrate, and your mushrooms won’t have the nutrients they need to thrive. 5Qt of spawn BRF jars 2qt of Coir . Will a 54 qt tub be too big for the ratio I want to use? Spawn is usually done in jars or bags. sylgiu, a0g4, xepn4n, setor, xi8jk6, fzwrbu, jqyin, hujbi, y6fko9, efaxf,