{"product_id":"redwood-mushroom-supply-cvg-monotub-mix","title":"Redwood Mushroom Supply – CVG Monotub Mix","description":"\u003cp\u003eGrow more. Stress less. The \u003cstrong\u003eRMS Monotub Mix\u003c\/strong\u003e is a fully sterilized, plant-based mushroom substrate engineered for growers who demand clean, consistent results — whether you're running a single monotub or scaling up a commercial operation. Ready to use straight out of the bag, it eliminates prep work and delivers the moisture retention and nutrient profile of traditional manure-based substrates without the mess, odor, or contamination risk.\u003c\/p\u003e\n\n\u003ch2\u003eWhy RMS Monotub Mix?\u003c\/h2\u003e\n\u003cp\u003eMost substrates force you to choose between convenience and performance. RMS Monotub Mix does both. Its advanced plant-based formula replicates the water-holding capacity and nutritional density of manure-based mixes while remaining completely manure-free — making it cleaner to handle, more consistent batch to batch, and far less prone to contamination. Packaged in premium \u003cstrong\u003eSakato autoclavable grow bags with 0.2-micron filter patches\u003c\/strong\u003e, every bag arrives fully hydrated to optimal field capacity and sealed for sterility. No mixing, no measuring, no guesswork.\u003c\/p\u003e\n\u003cp\u003eGrowers choose RMS Monotub Mix because it works reliably across species, setups, and experience levels. From first-time hobbyists to commercial cultivators, the results speak for themselves: vigorous colonization, healthy pins, and abundant harvests.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManure-Free Formula\u003c\/strong\u003e – Delivers comparable moisture retention and nutrition to manure-based substrates without the odor, inconsistency, or contamination risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Hydrated \u0026amp; Ready to Use\u003c\/strong\u003e – Pre-hydrated to ideal field capacity so you can inoculate immediately — no additional water or prep needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessionally Sterilized\u003c\/strong\u003e – Autoclaved and sealed in Sakato grow bags with 0.2-micron filter patches for maximum sterility and gas exchange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application\u003c\/strong\u003e – Optimized for both monotub bulk cultivation and direct in-bag fruiting across a wide range of gourmet mushroom species.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Nutrition\u003c\/strong\u003e – Plant-based ingredient blend supports rapid mycelial colonization and consistent, high-yield fruiting cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Layer Packaging\u003c\/strong\u003e – Inner Sakato grow bag plus an outer protective bag preserves product integrity from warehouse to grow room.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUse Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonotub Bulk Cultivation\u003c\/strong\u003e – Use at a 1:2 ratio (1 bag grain spawn to 2 bags RMS Monotub Mix) for classic bulk monotub grows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect In-Bag Fruiting\u003c\/strong\u003e – Add colonized grain spawn directly into the substrate bag, colonize, then open or slit for fruiting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGourmet Mushroom Production\u003c\/strong\u003e – Ideal for oyster, lion's mane, shiitake, and other gourmet species requiring a nutrient-rich bulk substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Cultivation\u003c\/strong\u003e – Consistent, sterile, and scalable — suitable for professional facilities running multiple tubs or bags simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Hobbyist Grows\u003c\/strong\u003e – Removes the complexity of substrate preparation, making it accessible for beginners without sacrificing results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Flush Cycles\u003c\/strong\u003e – Nutrient-dense formula supports multiple productive fruiting flushes from a single inoculation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDirections for Use\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIn-Bag Fruiting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn a clean, sanitized workspace, open the substrate bag and add fully colonized grain spawn.\u003c\/li\u003e\n\u003cli\u003eMix thoroughly until spawn is evenly distributed throughout the substrate.\u003c\/li\u003e\n\u003cli\u003eReseal the bag and allow to colonize fully at appropriate temperature.\u003c\/li\u003e\n\u003cli\u003eOnce fully colonized, cut small fruiting slits or open the top of the bag to initiate pinning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMonotub Cultivation (Recommended Ratio: 1 Bag Grain Spawn : 2 Bags RMS Monotub Mix):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOpen all bags in a clean, low-contamination environment.\u003c\/li\u003e\n\u003cli\u003eCombine grain spawn and substrate inside your monotub.\u003c\/li\u003e\n\u003cli\u003eMix thoroughly for even distribution, then level the surface.\u003c\/li\u003e\n\u003cli\u003eContinue with your preferred monotub fruiting method (SGFC, SAB, or passive).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store unopened bags in a cool, dry location away from direct sunlight. Use as soon as practical after purchase for best results.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Growers Are Saying\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\"Colonization was noticeably faster than the bulk substrate I was using before. Clean bags, zero contamination, and a solid first flush. This is my go-to now.\"\u003c\/p\u003e\n\u003cp\u003e— Marcus T., Commercial Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\"I love that it's ready to use right out of the bag. No prep, no mess — just mix with spawn and wait. Exactly what I needed as someone still learning the process.\"\u003c\/p\u003e\n\u003cp\u003e— Sarah P., Greenhouse Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\"The manure-free formula was the selling point for me. Same performance, cleaner workspace. I've run four flushes and the substrate is still producing.\"\u003c\/p\u003e\n\u003cp\u003e— Daniel R., Home Grower\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mushroom species work best with RMS Monotub Mix?\u003c\/strong\u003e\u003cbr\u003eRMS Monotub Mix is formulated for a wide range of gourmet species including oyster mushrooms, lion's mane, shiitake, and most Psilocybe cubensis varieties. Its balanced nutrient profile supports vigorous colonization across species.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to add water or pasteurize before use?\u003c\/strong\u003e\u003cbr\u003eNo. Each bag arrives fully hydrated to optimal field capacity and professionally sterilized. Simply open in a clean environment, add your colonized grain spawn, and proceed — no additional preparation required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recommended spawn-to-substrate ratio?\u003c\/strong\u003e\u003cbr\u003eFor monotub cultivation, we recommend a 1:2 ratio — 1 bag of fully colonized grain spawn to 2 bags of RMS Monotub Mix. For in-bag fruiting, add spawn directly to the substrate bag and mix evenly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this substrate compatible with other grain spawn brands?\u003c\/strong\u003e\u003cbr\u003eYes. RMS Monotub Mix works with any fully colonized grain spawn regardless of brand, as long as the spawn is healthy and contamination-free before mixing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I store unused bags?\u003c\/strong\u003e\u003cbr\u003eStore unopened bags in a cool, dry location away from direct sunlight and heat sources. Use within a reasonable timeframe after purchase for optimal sterility and moisture content.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many flushes can I expect?\u003c\/strong\u003e\u003cbr\u003eResults vary by species and growing conditions, but the nutrient-dense plant-based formula is designed to support multiple productive fruiting flushes. Many growers report 2–4 flushes from a single inoculation.\u003c\/p\u003e\n\nMore about Redwood Mushroom Supply – CVG Monotub Mix:\n\n\u003ch1\u003eRMS Monotub Mix – Sterilized Substrate for High-Yield Mushroom Cultivation\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eRMS Monotub Mix\u003c\/strong\u003e is a premium \u003cstrong\u003esterilized, manure-free mushroom substrate\u003c\/strong\u003e designed for successful cultivation in \u003cstrong\u003emonotubs or directly inside grow bags\u003c\/strong\u003e. Made from carefully selected plant-based ingredients, it delivers exceptional moisture retention and nutrient availability comparable to traditional manure-based substrates—without the inconsistency, odors, or contamination risks.\u003c\/p\u003e\n\u003cp\u003eEach bag arrives \u003cstrong\u003efully hydrated and ready to use\u003c\/strong\u003e, eliminating the need for additional preparation. Packaged in durable \u003cstrong\u003eSakato grow bags with 0.2-micron filter patches\u003c\/strong\u003e, this substrate provides the clean, sterile environment growers need for reliable colonization and consistent harvests.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eFeatures\u003c\/h1\u003e\n\u003ch2\u003eWhy Choose RMS Monotub Mix?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant-Based Formula\u003c\/strong\u003e – Delivers the moisture retention and nutrient profile of manure-based substrates while remaining completely manure-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for Monotubs \u0026amp; Grow Bags\u003c\/strong\u003e – Suitable for both bulk monotub cultivation and direct in-bag fruiting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Nutrition\u003c\/strong\u003e – Optimized to encourage rapid colonization and healthy, consistent mushroom production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-Use Hydration\u003c\/strong\u003e – Hydrated to ideal field capacity, so there's no mixing or additional water required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessionally Sterilized\u003c\/strong\u003e – Sterilized and packaged in premium \u003cstrong\u003eSakato grow bags with 0.2-micron filters\u003c\/strong\u003e, plus an outer protective bag to maintain product integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eBuilt for Reliable Mushroom Cultivation\u003c\/h1\u003e\n\u003cp\u003eWhether you're growing gourmet mushrooms in a monotub or fruiting directly from the bag, \u003cstrong\u003eRMS Monotub Mix\u003c\/strong\u003e provides the ideal balance of moisture, aeration, and nutrition needed to support vigorous mycelial growth and abundant harvests.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eManure-Free Performance Without Compromise\u003c\/h1\u003e\n\u003cp\u003eTraditional manure-based substrates can introduce inconsistencies and unwanted contaminants. RMS Monotub Mix uses an advanced plant-based formula that offers comparable water retention and nutrient availability while providing a cleaner, more reliable growing medium.\u003c\/p\u003e\n\u003cp\u003eThe result is dependable performance, easier handling, and greater consistency from one grow to the next.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eFully Hydrated \u0026amp; Ready to Use\u003c\/h1\u003e\n\u003cp\u003eEvery bag is hydrated to optimal field capacity before packaging, allowing you to start growing immediately. Simply combine with fully colonized grain spawn and begin the cultivation process—no additional preparation required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003ePremium Sakato Grow Bag Packaging\u003c\/h1\u003e\n\u003cp\u003eEach substrate bag is sealed in a high-quality \u003cstrong\u003eSakato autoclavable grow bag\u003c\/strong\u003e equipped with a \u003cstrong\u003e0.2-micron filter patch\u003c\/strong\u003e for efficient gas exchange while helping maintain a sterile environment during colonization.\u003c\/p\u003e\n\u003cp\u003eThe bags are durable enough for both monotub applications and direct in-bag fruiting.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eDirections for Use\u003c\/h1\u003e\n\u003ch2\u003eIn-Bag Fruiting\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eIn a clean, sanitized workspace, add fully colonized grain spawn directly into the substrate bag.\u003c\/li\u003e\n\u003cli\u003eMix thoroughly until the spawn is evenly distributed.\u003c\/li\u003e\n\u003cli\u003eReseal the bag and allow it to colonize completely.\u003c\/li\u003e\n\u003cli\u003eOnce fully colonized, cut small fruiting slits or open the top of the bag to begin fruiting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eMonotub Cultivation\u003c\/h2\u003e\n\u003cp\u003eFor optimal results, use:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1 Bag Grain Spawn : 2 Bags RMS Monotub Mix\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOpen all bags in a clean environment.\u003c\/li\u003e\n\u003cli\u003eCombine the grain spawn and substrate inside your monotub.\u003c\/li\u003e\n\u003cli\u003eMix thoroughly for even distribution.\u003c\/li\u003e\n\u003cli\u003eLevel the surface and continue with your preferred monotub fruiting method.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eStorage Instructions\u003c\/h1\u003e\n\u003cp\u003eStore unopened bags in a \u003cstrong\u003ecool, dry location away from direct sunlight\u003c\/strong\u003e. For maximum freshness and performance, use the substrate as soon as practical after purchase.\u003c\/p\u003e","brand":"Left Coast","offers":[{"title":"Default Title","offer_id":51039715655716,"sku":"LCWH-RMS-MTM-5LB","price":17.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/rms-monotub-mix-retail-1-600x600.png?v=1783616670","url":"https:\/\/www.growitdepot.com\/products\/redwood-mushroom-supply-cvg-monotub-mix","provider":"Grow It Depot","version":"1.0","type":"link"}