{"title":"Manure Substrate","description":"\u003cp\u003eImprove the yield of any dung-loving mushroom species with our best-selling Boomr Bag! This sterile bulk mushroom substrate is formulated by mycologists and features a proprietary blend of composted horse manure, coco coir, and several quality substrate supplements (although we keep the exact blend a secret!) Over several years, it has been perfected for a wide range of dung-loving mushroom species and is widely-trusted by mushroom growers. \u003cem\u003eNote: Substrate is hydrated to field capacity.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!----\u003e","products":[{"product_id":"boomr-bag-manure-based-sterile-substrate-5lb","title":"‘Boomr Bag’ Manure-Based Sterile Mushroom Substrate","description":"\u003cp\u003eElevate your indoor mushroom cultivation with North Spore’s \u003cstrong\u003e‘Boomr Bag’ Manure-Based Sterile Mushroom Substrate\u003c\/strong\u003e. This premium, ready-to-use sterile substrate provides an ideal foundation for successful and bountiful yields, especially for dung-loving mushroom varieties.\u003c\/p\u003e\u003cp\u003eEach ‘Boomr Bag’ contains a precisely formulated blend of pasteurized manure, coco coir, vermiculite, and gypsum, ensuring a rich, nutrient-dense environment. Our meticulous sterilization process guarantees a contaminant-free start, critical for minimizing risks during inoculation and colonization.\u003c\/p\u003e\u003cp\u003eDesigned for optimal mushroom colonization, this sterile substrate significantly reduces the likelihood of competing molds and bacteria, fostering vigorous mycelial growth. Its robust nutritional profile supports healthy fruiting body development, leading to consistent and high-quality harvests. Key advantages of this premium substrate include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduced contamination risk for cultivators\u003c\/li\u003e\n\u003cli\u003eOptimal nutrient delivery specifically for dung-loving mushroom varieties\u003c\/li\u003e\n\u003cli\u003eConsistent moisture retention for stable growth environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe convenient 5lb ‘Boomr Bag’ is perfectly suited for use in monotubs, grow tents, and other controlled indoor growing systems. Its consistent moisture content and balanced aeration properties contribute to a stable microclimate essential for mushroom development.\u003c\/p\u003e\u003cp\u003eFor best results, integrate the ‘Boomr Bag’ into your sterile cultivation practices. Refer to our detailed guides on substrate preparation and inoculation techniques to maximize the potential of your mushroom grow. Explore North Spore's full range of \u003ca href=\"#\"\u003emushroom growing supplies\u003c\/a\u003e to complete your setup.\u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Default Title","offer_id":40213449998438,"sku":"EQUIP-BOOMR-5LB","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/sterile-substrate-boomr-bag-manure-based-sterile-mushroom-substrate-1202701300.png?v=1762216248"},{"product_id":"boomr-bag-monotub-refill-bundle","title":"Boomr Bag Monotub Refill Kit","description":"\u003cp data-mce-fragment=\"1\"\u003eOur Boomr Bag Monotub Refill Kit includes everything you need for a successful monotub grow. (All that's required is a spore syringe or liquid culture!) The manure-based sterile substrates, injection port bag, and coco coir provide mediums for colonization, incubation, and growth. We've also included self-adhesive filters, designed to keep out foreign spores and other contaminants while maintaining proper humidity, airflow, and gas exchange.\u003cbr data-mce-fragment=\"1\" type=\"_moz\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEach 'Boomr Bin' monotub refill kit includes: \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(3) Boomr Bag Sterile Manure Substrate (5 lbs each)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(1) Organic Sterilized Grain Bag with Injection Port (3 lbs)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(2) Sheets of self-adhesive filters (1\" \u0026amp; 2\")\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(1) Coco Coir casing layer (2 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEach 'Max Yield Bin' monotub refill kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(3) Boomr Bag Sterile Manure Substrate (5 lbs each)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(1) Organic Sterilized Grain Bag with Injection Port (3 lbs)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(2) Sheets of self-adhesive filters (2\")\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(1) Coco Coir casing layer (2 lbs)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e(1) Roll of 1\/2\" black micropore tape (10 yards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpawn to bulk ratio: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe recommended mixing 1 colonized grain spawn bag with 2-3 Boomr Bags. (Higher inoculation rates may improve your success.) \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIMPORTANT: Coco coir should only be added once monotub is fully colonized and pins begin to form. Only a thin layer of coco coir (approx. 1\/2 inch) is necessary.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cem data-mce-fragment=\"1\"\u003eFor more detailed information on items included in the refill bundle, click the links below.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e  \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAdditional searches: Mono tub, monotubs, monotube, mono tubs, monotubes, mono tube, mono, mono tubes, boomer, boom, boomr, boomrbag, boomerbag \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Boomr Bin","offer_id":40262103466086,"sku":"BUNDLE-REFILL-B1","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Max Yield Bin","offer_id":40262103498854,"sku":"BUNDLE-REFILL-B2","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/grow-chambers-boomr-bag-monotub-refill-kit-30795229069414.jpg?v=1762458514"},{"product_id":"8-pack-boomr-bag-sterile-manure-based-mushroom-substrate","title":"8-Pack ‘Boomr Bag’ Manure-Based Sterile Mushroom Substrate","description":"\u003cp\u003eElevate your indoor mushroom cultivation with North Spore’s \u003cstrong\u003e8-Pack ‘Boomr Bag’ Manure-Based Sterile Mushroom Substrate\u003c\/strong\u003e. This professional-grade substrate is engineered for optimal mycelial colonization, providing a foundation for robust and productive mushroom yields.\u003c\/p\u003e\u003cp\u003eEach ‘Boomr Bag’ contains a carefully formulated, manure-based substrate blend. This rich organic material supplies essential nutrients, promoting vigorous growth and ensuring the development of healthy, dense mushroom flushes.\u003c\/p\u003e\u003cp\u003eOur substrate undergoes a precise sterilization process, eliminating competing organisms. This critical step minimizes contamination risk, offering a clean and reliable environment for successful mushroom development, ideal for monotubs.\u003c\/p\u003e\u003cp\u003eThe convenient 8-pack bundle ensures an ample supply for multiple cultivation projects or larger setups. Designed for ease of use, these sterile substrate bags integrate seamlessly into various indoor growing systems.\u003c\/p\u003e\u003cp\u003eFor detailed instructions on utilizing the ‘Boomr Bag’ substrate effectively in your specific cultivation method, please refer to our comprehensive guides on the North Spore website.\u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Default Title","offer_id":39842193080422,"sku":"EQUIP-BOOMR-8CT","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/sterile-substrate-8-pack-boomr-bag-manure-based-sterile-mushroom-substrate-1202701285.png?v=1762216007"},{"product_id":"cvg-coco-vermiculite-gypsum-classic-bulk-substrate","title":"CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate","description":"\u003cp\u003eOur ready-to-use CVG blend starts with our own RHP-certified \u003ca href=\"https:\/\/northspore.com\/collections\/coco-coir\"\u003eMycoCoco\u003c\/a\u003e as the base (the first coco coir researched and selected specifically for its mushroom cultivation qualities). We then add asbestos-free, horticulture-grade, US-sourced \u003ca href=\"https:\/\/northspore.com\/collections\/substrate-supplements\/products\/bulk-vermiculite-fine-medium-for-mushroom-cultivation\"\u003evermiculite\u003c\/a\u003e and complete the trifecta with OMRI-approved gypsum. These components have a low bacterial load and low nitrogen levels making them less prone to contamination and ideal for beginner growers. The result is a perfect balanced substrate for mushroom spawn to prosper and fruit. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMoisture content: Each bag is optimally hydrated for fast colonization times and top yields.\u003c\/em\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpawn to bulk ratio:\u003c\/strong\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommended mixing 1 colonized grain spawn bag with 2-4 bags of CVG. (Higher inoculation rates may improve your success.)\u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Default Title","offer_id":42254809694310,"sku":"EQUIP-CVG-5LB","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/sterile-substrate-cvg-coco-vermiculite-gypsum-sterile-bulk-substrate-1202701299.png?v=1762215890"},{"product_id":"8-pack-cvg-coco-vermiculite-gypsum-sterile-bulk-substrate","title":"8-Pack CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate","description":"\u003cp\u003eOur ready-to-use CVG blend starts with our own RHP-certified \u003ca href=\"https:\/\/northspore.com\/collections\/coco-coir\"\u003eMycoCoco\u003c\/a\u003e as the base (the first coco coir researched and selected specifically for its mushroom cultivation qualities). We then add asbestos-free, horticulture-grade, US-sourced \u003ca href=\"https:\/\/northspore.com\/collections\/substrate-supplements\/products\/bulk-vermiculite-fine-medium-for-mushroom-cultivation\"\u003evermiculite\u003c\/a\u003e and complete the trifecta with OMRI-approved gypsum. These components have a low bacterial load and low nitrogen levels making them less prone to contamination and ideal for beginner growers. The result is a perfect balanced substrate for mushroom spawn to prosper and fruit. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMoisture content: Each bag is optimally hydrated for fast colonization times and top yields.\u003c\/em\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpawn to bulk ratio:\u003c\/strong\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommended mixing 1 colonized grain spawn bag with 2-4 bags of CVG. (Higher inoculation rates may improve your success.)\u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Default Title","offer_id":42274677227622,"sku":"EQUIP-CVG-8CT","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/sterile-substrate-8-pack-cvg-coco-vermiculite-gypsum-sterile-bulk-substrate-1202701287.png?v=1762215763"},{"product_id":"hb4-sterile-mushroom-substrate","title":"HB4 (Home Blend v4) Sterile Mushroom Substrate","description":"\u003cp\u003eThis high-performance formula features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50\/50 mix of worm castings and coco coir\u003c\/strong\u003e, enhanced with a custom nutrient pack formulated specifically for the\u003cspan\u003e \u003c\/span\u003e\u003cem\u003elegal\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003ecultivation of dung-loving mushroom species. It’s the same substrate that fueled the award-winning strain crowned at the Denver Psychedelic Cup 2024 — a true benchmark for consistency and potency.\u003c\/p\u003e\n\u003cp\u003eClean, nutrient-rich, and eco-conscious, HB4 offers a manure-free alternative to traditional dung-based substrates without compromising results.\u003c\/p\u003e","brand":"North Spore","offers":[{"title":"Default Title","offer_id":43442027200614,"sku":"JAMO-HB4","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/files\/sterile-substrate-hb4-home-blend-v4-sterile-mushroom-substrate-1202701280.png?v=1762215651"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2418\/8179\/collections\/image_b1c7ddfb-79ce-4b3f-8f71-0827f1505c35.jpg?v=1762264368","url":"https:\/\/northspore.com\/en-nl\/collections\/sterile-manure-substrate.oembed","provider":"North Spore","version":"1.0","type":"link"}