{"product_id":"mushroom-monotub-starter-kit","title":"Mushroom Monotub Starter Kit – 2 lb Rye Grain Spawn, 4.5 lb Substrate \u0026 Tub","description":"\u003cp\u003e\u003cstrong\u003eStep up to bulk growing.\u003c\/strong\u003e This monotub kit includes sterilized rye grain spawn, a pre-hydrated bulk substrate and the tub itself, so you can grow bigger harvests of a wide range of mushroom species at home.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 × 1 lb sterilized rye grain spawn bags with 0.2 µm filter, injection port, sterile indicator strip and batch tracking\u003c\/li\u003e\n\u003cli\u003e4.5 lb pasteurized CVG bulk substrate (coco coir, vermiculite, gypsum)\u003c\/li\u003e\n\u003cli\u003e16 qt monotub (unmodified; no drilling needed)\u003c\/li\u003e\n\u003cli\u003e2 glove packs (nitrile gloves and alcohol prep pads), step-by-step instructions and a FunGuy sticker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLive mushroom culture is sold separately. The grain bags are ready for your own liquid culture.\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eInoculate:\u003c\/strong\u003e Wipe each injection port with a prep pad and inject 3–5 cc of liquid culture per bag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColonize the grain:\u003c\/strong\u003e Keep the bags dark at 75–80°F. Growth usually appears in 7–14 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpawn to bulk:\u003c\/strong\u003e When the grain is fully white, mix it with the substrate in the clean tub and level the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColonize the tub:\u003c\/strong\u003e Keep the lid on and the tub dark until the surface is covered in white mycelium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFruit:\u003c\/strong\u003e Crack the lid for fresh air exchange and give the tub indirect light. Open the lid to fan it, and mist only when the top or sides look dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarvest:\u003c\/strong\u003e Pick before the caps flatten, rehydrate, and repeat for more flushes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eTimeline\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFirst visible growth on the grain: 7–14 days after inoculation\u003c\/li\u003e\n\u003cli\u003eFirst harvest: about 3–5 weeks after inoculation, depending on species and conditions\u003c\/li\u003e\n\u003cli\u003eUp to 3 flushes per kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eColonization: 75–80°F, in the dark\u003c\/li\u003e\n\u003cli\u003eFruiting: 65–75°F, indirect light, steady fresh air, high humidity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYield Expectations\u003c\/h3\u003e\n\u003cp\u003eYield varies with species, culture and conditions. Expect up to 3 flushes from one tub; rehydrate between flushes.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich mushrooms can I grow?\u003c\/strong\u003e Works with a wide range of mushroom species. The coco coir substrate isn't ideal for lion's mane or shiitake, which prefer hardwood sawdust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a culture included?\u003c\/strong\u003e No. Use about 3–5 cc of liquid culture per grain bag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a pressure cooker?\u003c\/strong\u003e No. The grain is sterilized and the substrate is pasteurized and ready to use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long can I store the kit?\u003c\/strong\u003e Use it within 2 weeks. Un-inoculated bags keep up to 4 weeks in a cool, dark place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMonotub or all-in-one bag?\u003c\/strong\u003e All-in-one bags are the simplest. A monotub gives a larger surface area and bigger flushes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComing soon:\u003c\/strong\u003e pre-inoculated Blue Oyster grow kits, with no culture needed. Check back or join our email list to hear when they launch.\u003c\/p\u003e\n\u003ch3\u003e100% Success Coverage\u003c\/h3\u003e\n\u003cp\u003eEvery FunGuy kit is made in our Rhode Island lab and backed by our 100% Success Coverage for 30 days. If your kit arrives contaminated, send us a photo and we'll replace it free of charge.\u003c\/p\u003e\n\u003cp\u003eFull walkthrough: \u003ca href=\"\/pages\/how-to-grow-mushrooms\"\u003eGrowing Guides\u003c\/a\u003e.\u003c\/p\u003e","brand":"FunGuy Grow Kits","offers":[{"title":"Default Title","offer_id":47055836578107,"sku":"SMPMNKT","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/1855\/5707\/files\/MainPhoto.png?v=1746227256","url":"https:\/\/funguykits.com\/products\/mushroom-monotub-starter-kit","provider":"FunGuy Grow Kits","version":"1.0","type":"link"}