{"product_id":"pearl-oyster-grain-spawn","title":"Pearl Oyster Grain Spawn","description":"\u003cp\u003e\u003cstrong\u003eThe classic oyster, and the ideal first grow.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo ways to order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade fresh to order (ships in 2–3 weeks):\u003c\/strong\u003e We inoculate your bag after you order, so it arrives fully colonized and at peak vigor instead of aging on a shelf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to ship (ships in 1–3 days):\u003c\/strong\u003e When we have a fresh batch on hand, you can skip the wait. If it shows sold out, choose made fresh to order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePearl Oyster (\u003cem\u003ePleurotus ostreatus\u003c\/em\u003e) is the most forgiving gourmet mushroom you can grow. It colonizes quickly, tolerates a wide range of substrates and temperatures, and rewards you with generous clusters of soft, velvety caps. Its mild, slightly sweet flavor works in nearly any dish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes WeMush tracking:\u003c\/strong\u003e Every order ships with a QR code linked to WeMush, our cultivation tracking platform. Scan it to view specimen details, log observations, and follow your grow, free with any Mush Ohio purchase.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Pearl Oyster (\u003cem\u003ePleurotus ostreatus\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Fully colonized grain spawn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 1600 g (about 3.5 lb) wet weight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Filter patch spawn bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill level:\u003c\/strong\u003e Beginner-friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCultivation guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrates:\u003c\/strong\u003e Pasteurized straw, hardwood fuel pellets (HWFP), Master's Mix, or other lignocellulosic materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpawn rate:\u003c\/strong\u003e About 5–10% of the substrate's wet weight. Many home growers go up to about 15% for faster, more contamination-resistant colonization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColonization:\u003c\/strong\u003e 70–75°F (21–24°C) in the dark, typically 1–3 weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFruiting:\u003c\/strong\u003e A wide window of roughly 55–75°F (13–24°C), with low 60s ideal; 85–95% humidity; indirect light (bright enough to read by); and plenty of fresh air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarvest:\u003c\/strong\u003e As caps go from domed to nearly flat, while the edges still curl slightly down, before they turn up or wavy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThese are general guidelines; optimal conditions vary with your setup. Oysters release a lot of spores, so harvest on time and avoid fruiting them in a bedroom.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eStorage and handling\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the bag on arrival for damage or contamination.\u003c\/li\u003e\n\u003cli\u003eIf not using right away, refrigerate at 35–40°F (2–4°C).\u003c\/li\u003e\n\u003cli\u003eFor best results, use within 1–4 weeks of receipt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBundle and save:\u003c\/strong\u003e Buy four bags of grain spawn and get the fifth free with code \u003cstrong\u003eBUY4G1FREE\u003c\/strong\u003e. Mix and match any spawn in our Grain Spawn collection.\u003c\/p\u003e","brand":"Mush Ohio","offers":[{"title":"Made fresh to order (ships in 2–3 weeks)","offer_id":67546160660698,"sku":"MSH-GS-PEARL-1600-1","price":19.95,"currency_code":"USD","in_stock":true},{"title":"Ready to ship (ships in 1–3 days)","offer_id":67546160693466,"sku":"MSH-GS-PEARL-1600-RTS-1","price":19.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/2919\/1898\/files\/grayscale-grain-colonized-bag.png?v=1746818743","url":"https:\/\/mushoh.io\/products\/pearl-oyster-grain-spawn","provider":"Mush Ohio","version":"1.0","type":"link"}