{"product_id":"black-oyster-grow-kit","title":"Black Oyster Grow Kit - 5 lbs","description":"\u003cp\u003e\u003cstrong\u003eGrow fresh Black Oyster mushrooms at home in 7 to 14 days.\u003c\/strong\u003e The Lykyn Black Oyster grow kit is a 5 lb fully colonized fruiting block of \u003cem\u003ePleurotus ostreatus\u003c\/em\u003e (dark variety) that delivers 2 to 3 harvests of charcoal-to-slate caps with deep umami. Pair it with the \u003ca href=\"\/products\/mushroom-grow-kit\"\u003eLykyn Smart Grow Chamber\u003c\/a\u003e and skip the daily misting and the contamination guesswork.\u003c\/p\u003e\n\u003cp\u003eBlack Oyster mushrooms are rich in nutrients and a popular choice for their strong umami flavor and meaty texture. With striking charcoal-to-slate caps and thick, satisfying stems, Black Oysters are a go-to mushroom for home cooks and chefs alike. Easy to grow, versatile in the kitchen, and beautiful to watch develop, this block delivers consistent harvests of one of the most practical and delicious gourmet mushrooms you can grow at home.\u003c\/p\u003e\n\u003ch2\u003eBlack Oyster mushroom fruiting block details\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecies\u003c\/td\u003e\n\u003ctd\u003eBlack Oyster (Pleurotus ostreatus, dark variety)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlock weight\u003c\/td\u003e\n\u003ctd\u003e5 lbs, fully colonized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected yield\u003c\/td\u003e\n\u003ctd\u003eAbout 1 lb per harvest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of harvests\u003c\/td\u003e\n\u003ctd\u003e2 to 3 flushes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime to grow\u003c\/td\u003e\n\u003ctd\u003e7 to 14 days per flush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifficulty\u003c\/td\u003e\n\u003ctd\u003eBeginner friendly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal temperature\u003c\/td\u003e\n\u003ctd\u003e59 to 70°F (15 to 21°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal humidity\u003c\/td\u003e\n\u003ctd\u003e85 to 92% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest environment\u003c\/td\u003e\n\u003ctd\u003eLykyn Smart Grow Chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate\u003c\/td\u003e\n\u003ctd\u003eSupplemented hardwood sawdust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFresh shelf life\u003c\/td\u003e\n\u003ctd\u003e5 to 7 days refrigerated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy we love Black Oyster mushrooms\u003c\/h2\u003e\n\u003cp\u003eBlack Oyster mushrooms strike the perfect balance between gourmet flavor and everyday usability. Their dark, sculptural caps grow in layered clusters, creating a beautiful yet understated visual display. More importantly, they are one of the most satisfying mushrooms to cook with and eat.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep umami flavor:\u003c\/strong\u003e Rich, savory, and mushroom-forward, Black Oysters deliver a bold umami taste that elevates any dish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent texture:\u003c\/strong\u003e Thick, meaty stems and tender caps hold up beautifully to sauteing, roasting, and stir-frying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNutrient-dense and low calorie:\u003c\/strong\u003e Black Oysters are low in calories and fat while being rich in fiber, vitamins, and minerals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich in essential nutrients:\u003c\/strong\u003e A great source of B vitamins (including niacin and riboflavin), potassium, phosphorus, and copper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune-supporting compounds:\u003c\/strong\u003e Contains beta-glucans and antioxidants that support immune function and overall wellness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable and forgiving:\u003c\/strong\u003e One of the most consistent oyster varieties to grow, making it ideal for beginners and repeat growers alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to grow your Black Oysters\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e Fill your humidifier tank with distilled water and place the Black Oyster block inside your \u003ca href=\"\/products\/mushroom-grow-kit\"\u003eLykyn Grow Chamber\u003c\/a\u003e. Leave space in front of the block so mushrooms can grow freely, and be sure not to block the humidifier airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterilize:\u003c\/strong\u003e Flame sterilize a razor or knife and allow it to cool completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlice:\u003c\/strong\u003e Cut a small \"X\" on the side of the bag where you want the mushrooms to fruit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect:\u003c\/strong\u003e Place the chamber top back on and choose \"Black Oyster\" from the Lykyn App.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelax:\u003c\/strong\u003e Your chamber automatically handles humidity and airflow. Just watch your mushrooms come to life.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWhen it is ready to harvest\u003c\/h2\u003e\n\u003cp\u003eBlack Oysters are ready when the caps are mostly open but still slightly curved at the edges, the color is deep gray to nearly black, and the texture is firm and full. Harvest before the caps flatten completely for the best flavor and texture. Gently twist and pull the entire cluster from the base, or cut cleanly with a knife. Take care not to damage the remaining block so it can produce additional flushes.\u003c\/p\u003e\n\u003ch2\u003eHow to store Black Oyster mushrooms\u003c\/h2\u003e\n\u003cp\u003eStore fresh Black Oysters in a paper bag in the refrigerator for 5 to 7 days, or several months if dried or frozen. Avoid sealed plastic containers, which trap moisture and reduce freshness.\u003c\/p\u003e\n\u003ch2\u003eCooking tips for Black Oyster mushrooms\u003c\/h2\u003e\n\u003cp\u003eBlack Oyster mushrooms are incredibly versatile and forgiving in the kitchen. Dry-saute first to release excess moisture and concentrate flavor, then add oil or butter once the pan is dry and cook until golden. Finish with salt, garlic, soy sauce, or herbs to enhance their natural umami. They are perfect for ramen, stir-fries, risotto, pasta, grain bowls, or as a hearty mushroom-forward main ingredient.\u003c\/p\u003e\n\u003ch2\u003ePreparing for a second or third flush\u003c\/h2\u003e\n\u003cp\u003eAfter harvesting, remove any leftover mushroom material from the surface of the block. Re-soak the block in cold, clean water for 12 to 24 hours. Drain thoroughly and return the block to your \u003ca href=\"\/products\/mushroom-grow-kit\"\u003eLykyn Grow Chamber\u003c\/a\u003e. Select \"Black Oyster\" again in the app and begin the next growing cycle.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow long does it take to grow Black Oyster mushrooms?\u003c\/h3\u003e\n\u003cp\u003eWith the Lykyn smart chamber, expect 7 to 14 days per flush from slicing the bag to harvest. The block then rests a few days before re-soaking and starting the next flush.\u003c\/p\u003e\n\u003ch3\u003eWhat do Black Oyster mushrooms taste like?\u003c\/h3\u003e\n\u003cp\u003eBlack Oysters have a deep, savoury, umami-forward flavour with a meaty, slightly chewy texture. They shine in ramen, stir-fries, risotto, pasta, and any dish that benefits from a rich, mushroom-forward note.\u003c\/p\u003e\n\u003ch3\u003eWill the chamber stop working if Wi-Fi or Lykyn cloud goes down?\u003c\/h3\u003e\n\u003cp\u003eNo. Your chamber runs the Black Oyster preset on-board after initial setup. Wi-Fi or Lykyn cloud downtime does not stop your grow.\u003c\/p\u003e\n\u003ch3\u003eCan I grow Black Oyster without the chamber?\u003c\/h3\u003e\n\u003cp\u003eYes, the block can fruit in any high-humidity environment (85 to 92% RH at 59 to 70°F \/ 15 to 21°C). However, it needs daily misting and has a higher contamination risk. The \u003ca href=\"\/products\/mushroom-grow-kit\"\u003eLykyn Smart Grow Chamber\u003c\/a\u003e automates both.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReady to start your first grow?\u003c\/strong\u003e Pair this block with the \u003ca href=\"\/products\/mushroom-grow-kit\"\u003eLykyn Single-Tier Smart Grow Chamber\u003c\/a\u003e and harvest your first flush in under two weeks.\u003c\/p\u003e","brand":"Lykyn","offers":[{"title":"Default Title","offer_id":42051515023415,"sku":"L-MFB-BO-5","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/2661\/2279\/files\/black-oyster-mushroom-grow-kit.webp?v=1778498506","url":"https:\/\/lykyn.com\/products\/black-oyster-grow-kit","provider":"Lykyn","version":"1.0","type":"link"}