{"product_id":"oyster-mushroom-blue-2-2kg-ready-to-fruit-block","title":"Oyster Mushroom 'Blue' - 2.2KG Ready To Fruit Block","description":"\u003cstyle\u003e\n  *, *::before, *::after { box-sizing: border-box; }\n  .page-wrap {\n    max-width: 780px;\n    margin: 3rem auto;\n    background: #fff;\n    border-radius: 12px;\n    box-shadow: 0 2px 24px rgba(0,0,0,0.07);\n    padding: 3rem 3.5rem;\n  }\n  .page-meta {\n    font-size: 11px;\n    letter-spacing: 0.08em;\n    text-transform: uppercase;\n    color: #888;\n    margin-bottom: 2.5rem;\n    padding-bottom: 1rem;\n    border-bottom: 1px solid #e8e4dc;\n  }\n  .page-meta strong { color: #3B6D11; }\n  .pd-grid-2 {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 12px;\n    margin-bottom: 2rem;\n  }\n  .pd-hydration-table,\n  .pd-flush-table,\n  .pd-variety-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 13px;\n  }\n  .pd-hydration-table th,\n  .pd-flush-table th,\n  .pd-variety-table th {\n    background: #f7f5f0;\n    padding: 9px 14px;\n    text-align: left;\n    font-size: 11.5px;\n    font-weight: 600;\n    color: #1a1a18;\n    border-bottom: 2px solid #e8e4dc;\n  }\n  .pd-hydration-table td,\n  .pd-flush-table td,\n  .pd-variety-table td {\n    padding: 9px 14px;\n    border-bottom: 1px solid #f0ece4;\n    color: #444;\n    font-size: 13px;\n    vertical-align: top;\n  }\n  .pd-hydration-table tr:last-child td,\n  .pd-flush-table tr:last-child td,\n  .pd-variety-table tr:last-child td { border-bottom: none; }\n  .pd-hydration-table tr:nth-child(even) td,\n  .pd-flush-table tr:nth-child(even) td,\n  .pd-variety-table tr:nth-child(even) td { background: #faf8f5; }\n  @media (max-width: 560px) {\n    .pd-grid-2 { grid-template-columns: 1fr; }\n    .page-wrap { padding: 2rem 1.5rem; }\n  }\n\u003c\/style\u003e\n\u003c!-- 1. HOOK --\u003e\n\u003cp style=\"font-size: 22px; font-weight: 600; line-height: 1.35; color: #1a1a18; margin: 0 0 1rem;\"\u003eThe most cold-hardy oyster in the range — thriving exactly when the others slow down.\u003c\/p\u003e\n\u003c!-- 2. LEAD --\u003e\n\u003cp style=\"font-size: 15px; color: #444; line-height: 1.8; margin: 0 0 2rem;\"\u003eBlue Oyster (\u003cem\u003ePleurotus ostreatus var. columbinus\u003c\/em\u003e) is the classic cool-season oyster — prized by commercial growers for thick, meaty caps, steel-blue colouring and rock-solid performance right through the cold months when other varieties struggle to fruit cleanly. It's a close cousin of Pearl Oyster, but bred for the cold: where Pearl tops out around 22°C, Blue Oyster keeps pinning and fruiting down to 12°C.\u003cbr\u003e\u003cbr\u003eThis is a \u003cstrong\u003e2.2 KG ready-to-fruit block\u003c\/strong\u003e: fully colonised, sealed, and ready to pin as soon as you cut it open. Grown, sterilised and colonised right here on Tamborine Mountain on our own hardwood + soy hull Masters Mix — not imported, not repackaged, not resold. Cut an X, keep it humid, and you'll have mushrooms in about a week.\u003c\/p\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e8e4dc; margin: 2rem 0;\"\u003e\u003c!-- 3. FEATURE GRID --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e Why Blue Oyster earns a spot in the range \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"pd-grid-2\"\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1rem 1.1rem;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: 600; color: #1a1a18; margin: 0 0 5px;\"\u003eBuilt for the cold\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; font-size: 11px; font-weight: 500; color: #27500a; background: #C0DD97; border-radius: 4px; padding: 2px 9px; margin-bottom: 8px;\"\u003eFruits cleanly down to 12°C.\u003c\/span\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.65; margin: 0;\"\u003eWhere most oyster strains stall out below 16°C, Blue Oyster keeps pinning and fruiting through the coldest part of autumn, winter and early spring. If you're growing outdoors or in an unheated space over winter, this is the block that keeps producing when others won't.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1rem 1.1rem;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: 600; color: #1a1a18; margin: 0 0 5px;\"\u003eThick, meaty caps\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; font-size: 11px; font-weight: 500; color: #27500a; background: #C0DD97; border-radius: 4px; padding: 2px 9px; margin-bottom: 8px;\"\u003eDenser flesh than Pearl.\u003c\/span\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.65; margin: 0;\"\u003eBlue Oyster caps are noticeably thicker and meatier than Pearl's — steel-blue to slate-grey when young, softening to grey-brown as they mature. The extra density holds its shape better under searing, grilling and heavier cooking methods.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1rem 1.1rem;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: 600; color: #1a1a18; margin: 0 0 5px;\"\u003eFirm, savoury flavour\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; font-size: 11px; font-weight: 500; color: #27500a; background: #C0DD97; border-radius: 4px; padding: 2px 9px; margin-bottom: 8px;\"\u003eRicher than Pearl, meatier than Shimeji.\u003c\/span\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.65; margin: 0;\"\u003eWhere Pearl is mild and Blue Shimeji leans nutty, Blue Oyster brings a firmer bite and a deeper, more savoury flavour — closer to a meat substitute than a delicate garnish. A favourite with chefs building plant-based mains.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1rem 1.1rem;\"\u003e\n\u003cp style=\"font-size: 13px; font-weight: 600; color: #1a1a18; margin: 0 0 5px;\"\u003eGrown and colonised on-farm\u003c\/p\u003e\n\u003cspan style=\"display: inline-block; font-size: 11px; font-weight: 500; color: #27500a; background: #C0DD97; border-radius: 4px; padding: 2px 9px; margin-bottom: 8px;\"\u003eNot repackaged. Grown here.\u003c\/span\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.65; margin: 0;\"\u003eEvery block is mixed, sterilised and colonised at Kai Kai Farm on our own hardwood + soy hull Masters Mix — the same substrate we fruit commercially. Verified contamination-free, consistent block to block, and packed to order rather than sitting in a warehouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e8e4dc; margin: 2rem 0;\"\u003e\u003c!-- 4. OUTCOMES --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e What you'll notice \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1.1rem 1.25rem; margin-bottom: 1rem;\"\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 14px; color: #333; line-height: 1.55;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 5px; flex-shrink: 0;\"\u003e\u003c\/span\u003e Pins forming within about a week of cutting the bag, even in cool conditions that would stall other varieties\u003c\/li\u003e\n\u003cli style=\"display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 14px; color: #333; line-height: 1.55;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 5px; flex-shrink: 0;\"\u003e\u003c\/span\u003e A dense first flush of thick, steel-blue-grey caps — 500–600 g under good conditions\u003c\/li\u003e\n\u003cli style=\"display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 14px; color: #333; line-height: 1.55;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 5px; flex-shrink: 0;\"\u003e\u003c\/span\u003e Multiple harvests from a single block — keep the humidity up and re-flush up to four times\u003c\/li\u003e\n\u003cli style=\"display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 14px; color: #333; line-height: 1.55;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 5px; flex-shrink: 0;\"\u003e\u003c\/span\u003e Firm, savoury mushrooms that sear, grill and braise better than most oysters\u003c\/li\u003e\n\u003cli style=\"display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 14px; color: #333; line-height: 1.55;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 5px; flex-shrink: 0;\"\u003e\u003c\/span\u003e The most cold-tolerant grow in the range — ideal for outdoor or unheated winter growing spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 5. SCIENCE CALLOUT --\u003e\n\u003cdiv style=\"border-left: 3px solid #639922; padding: 0.8rem 1rem; margin-bottom: 2rem; background: #f7f5f0; border-radius: 0 8px 8px 0;\"\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.7; margin: 0 0 0.65rem;\"\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eWhy Masters Mix drives strong oyster yields:\u003c\/strong\u003e Hardwood provides the lignocellulosic backbone — the cellulose, hemicellulose and lignin that oyster mycelium evolved to digest. The soy hull fraction adds readily available nitrogen and protein, which fuels denser mycelial growth and heavier flushes than pure hardwood alone. Every block is sterilised and fully colonised in controlled conditions before it leaves the farm, so the mycelium arrives established and primed — all it's waiting for is air, light and moisture.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.7; margin: 0;\"\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eWhy Blue Oyster fruits at lower temperatures:\u003c\/strong\u003e The columbinus strain carries genetics selected over generations to pin and develop proper fruiting bodies well below the range most oysters need — without the misshapen caps or long, thin stems that cold weather causes in warm-adapted strains. That's why it keeps producing cleanly through the months when Pearl and other standard oysters slow right down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e8e4dc; margin: 2rem 0;\"\u003e\u003c!-- 6. HOW TO FRUIT --\u003e\n\u003ch2 style=\"font-size: 17px; font-weight: 600; color: #1a1a18; margin: 0 0 0.4rem;\"\u003eHow to fruit your block\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #888; margin: 0 0 1.25rem;\"\u003eSite it → cut an X → keep it humid → harvest pre-curl → rest → re-flush\u003c\/p\u003e\n\u003c!-- Conditions at a glance --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #3b6d11; margin-bottom: 0.75rem;\"\u003eFruiting conditions at a glance\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; overflow: hidden; margin-bottom: 1.5rem;\"\u003e\n\u003ctable class=\"pd-hydration-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFruiting temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–18°C — the coldest-tolerant oyster in the range, at its best through the cooler months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85–95% around the cut surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFresh air\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh — good airflow gives tight, well-formed caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBright but indirect — never direct sun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime to first pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–7 days after cutting the block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin to harvest\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~5–7 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirst-flush yield\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500–600 g under optimal conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal flushes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 4 before the block is spent (2 recommended for commercial operations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Step by step --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #3b6d11; margin-bottom: 0.75rem;\"\u003eStep by step\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 8px; padding: 0.85rem 1rem; font-size: 13px; color: #555; line-height: 1.8; margin-bottom: 1.5rem;\"\u003e\n\u003cdiv style=\"display: flex; gap: 10px; margin-bottom: 0.6rem;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e1.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eSite your block.\u003c\/strong\u003e Bright, indirect light at 12–18°C, out of direct sun and drying draughts. Because this variety tolerates cooler conditions so well, an unheated shed, garage, shaded patio or outdoor set-up over autumn and winter all work well.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; margin-bottom: 0.6rem;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e2.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eCut an X in the bag.\u003c\/strong\u003e With a clean, sharp knife, cut a 5–8 cm \"X\" through the plastic on one face of the block — or directly over any pins already forming. Mushrooms fruit from the cut. One or two cuts per block is plenty.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; margin-bottom: 0.6rem;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e3.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eKeep it humid.\u003c\/strong\u003e Mist around the cut 2–3 times a day so the surface stays damp but never waterlogged. Blue Oyster wants 85–95% humidity — in dry weather, tent the block loosely with a perforated plastic bag to hold moisture in.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; margin-bottom: 0.6rem;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e4.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eGive it fresh air.\u003c\/strong\u003e Oysters need good air exchange to form proper caps. Too little airflow (high CO₂) produces long stems and small caps; a well-ventilated spot with daily fresh air gives tight, meaty clusters.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; margin-bottom: 0.6rem;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e5.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eHarvest pre-curl.\u003c\/strong\u003e Pins appear in 5–7 days and mature over ~5–7 days. Twist and pull the whole cluster from the base just before the cap edges curl upward — for the best texture, deepest colour and cleanest presentation. Don't leave stumps behind.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"font-weight: bold; color: #3b6d11; flex-shrink: 0;\"\u003e6.\u003c\/span\u003e \u003cspan\u003e\u003cstrong style=\"color: #1a1a18;\"\u003eRest and re-flush.\u003c\/strong\u003e Keep misting after harvest. A second flush usually follows within 1–2 weeks, then a third and fourth in succession — each a little smaller. To boost later flushes, submerge the block in cold water for a few hours, drain, and continue.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Flush expectations --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #3b6d11; margin-bottom: 0.75rem;\"\u003eWhat to expect from each flush\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; overflow: hidden; margin-bottom: 1.5rem;\"\u003e\n\u003ctable class=\"pd-flush-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFlush\u003c\/th\u003e\n\u003cth\u003eTiming\u003c\/th\u003e\n\u003cth\u003eWhat to expect\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1st\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePins in 5–7 days · harvest ~day 10–14\u003c\/td\u003e\n\u003ctd\u003e500–600 g — the biggest flush of the block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2nd\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–2 weeks after the first harvest\u003c\/td\u003e\n\u003ctd\u003eTypically smaller — cold-soak the block first to maximise it\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3rd–4th\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuccessive 1–2 week rests\u003c\/td\u003e\n\u003ctd\u003eProgressively lighter, until the substrate is spent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 11.5px; color: #aaa; margin: 0; padding: 0.6rem 1.25rem; border-top: 1px solid #f0ece4; font-style: italic;\"\u003eYields vary with temperature, humidity and airflow. The figures above are typical for a block fruited in good conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Kitchen callout --\u003e\n\u003cdiv style=\"background: #f0f7e8; border-radius: 10px; padding: 1.1rem 1.25rem; margin-bottom: 2rem;\"\u003e\n\u003cp style=\"font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: #3b6d11; margin: 0 0 0.5rem;\"\u003e🍳 In the kitchen\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #444; line-height: 1.75; margin: 0;\"\u003eFirm, meaty and savoury, with noticeably thicker flesh than Pearl or Snow White. Best cooked rather than eaten raw — it sears beautifully, holds its shape in stir-fries and soups, and works well as a plant-based meat substitute. Some cooks pick up a faint umami or mild seafood note when it's pan-seared hot in butter. Cook it hot and fast for a firm bite, or slow-braise for a heartier, richer dish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e8e4dc; margin: 2rem 0;\"\u003e\u003c!-- 7. STORAGE \u0026 HANDLING --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e Storage \u0026amp; handling \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; padding: 1rem 1.25rem; font-size: 13px; color: #555; line-height: 1.7; margin-bottom: 1.5rem;\"\u003e\n\u003cstrong style=\"color: #1a1a18;\"\u003eIf you can't fruit straight away, store the sealed block somewhere cool and dark below 18°C for up to 2 weeks.\u003c\/strong\u003e Handle it gently — the mycelium inside is alive and ready to go. Leave the bag sealed until you're ready to start fruiting; once you cut the X, the clock starts and the block wants humidity and air.\n\u003cdiv style=\"background: #EAF3DE; border-radius: 7px; padding: 0.65rem 0.9rem; margin-top: 10px; font-size: 13px; color: #27500a; line-height: 1.55;\"\u003e\n\u003cstrong\u003e📦 Shipping in warm weather:\u003c\/strong\u003e We strongly recommend adding \u003ca style=\"color: #27500a; text-decoration: underline;\" href=\"\/products\/express-post-addon\"\u003eExpress Post\u003c\/a\u003e during the warmer months to minimise heat stress in transit — add one per block to your cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- COMMERCIAL \/ BULK --\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; overflow: hidden; margin-bottom: 2rem;\"\u003e\n\u003cdiv style=\"background: #f7f5f0; padding: 0.65rem 1.25rem; border-bottom: 1px solid #e8e4dc;\"\u003e\n\u003cp style=\"font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: #888; margin: 0;\"\u003eOrdering for a farm or a kitchen?\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 1rem 1.25rem; font-size: 13px; color: #444; line-height: 1.75;\"\u003eBlue Oyster is the natural choice for growers wanting reliable cold-season production — \u003cstrong\u003ebulk pricing is available from 10 blocks\u003c\/strong\u003e. Orders of 4 or more blocks of a single variety are made to order and can take up to 2 weeks (5 weeks for Chestnut and 10 weeks for Shiitake); we'll confirm your dispatch date once the order is placed. Get in touch for commercial pricing and standing orders.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- PERFECT FOR --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e Perfect for \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1.1rem 1.25rem; margin-bottom: 2rem; font-size: 13px; color: #444; line-height: 1.9;\"\u003eSmall commercial farms and start-ups · market gardeners and farm-to-table producers · home growers wanting a robust, cold-season variety · outdoor and unheated-space growing over autumn and winter · restaurants and chefs harvesting unique produce on-site · workshops and educational demonstrations.\u003c\/div\u003e\n\u003c!-- 8. WHAT'S INSIDE --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e What's inside the block \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; padding: 1rem 1.25rem; font-size: 13px; color: #555; line-height: 1.9; margin-bottom: 2rem;\"\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: flex-start;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 7px; flex-shrink: 0;\"\u003e\u003c\/span\u003e \u003cspan\u003eAustralian hardwood pellets (Tasmanian Oak sawdust)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: flex-start;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 7px; flex-shrink: 0;\"\u003e\u003c\/span\u003e \u003cspan\u003eSoy hull pellets\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: flex-start;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 7px; flex-shrink: 0;\"\u003e\u003c\/span\u003e \u003cspan\u003eGypsum + Chalk to buffer pH\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: flex-start;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 7px; flex-shrink: 0;\"\u003e\u003c\/span\u003e \u003cspan\u003eFiltered rain water\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 10px; align-items: flex-start;\"\u003e\n\u003cspan style=\"display: block; width: 7px; height: 7px; border-radius: 50%; background: #639922; margin-top: 7px; flex-shrink: 0;\"\u003e\u003c\/span\u003e \u003cspan\u003eBlue Oyster organic certified grain spawn (\u003cem\u003ePleurotus ostreatus var. columbinus\u003c\/em\u003e)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0.75rem 0 0; font-size: 12.5px; color: #888; line-height: 1.7;\"\u003e~2.2 KG block, sterilised and fully colonised with Blue Oyster mycelium before dispatch. No fillers, no additives — just substrate and mycelium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- EXPLORE THE RANGE --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e More ready-to-fruit blocks \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #e8e4dc; border-radius: 10px; overflow: hidden; margin-bottom: 1rem;\"\u003e\n\u003ctable class=\"pd-variety-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVariety\u003c\/th\u003e\n\u003cth\u003eCharacter\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePearl Oyster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe benchmark oyster — mild, fastest-pinning, high-yielding\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color: #3b6d11; text-decoration: underline;\" href=\"\/products\/pearl-oyster-mushroom-pleurotus-ostreatus-block\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlue Shimeji Oyster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot to be confused with Blue Oyster — dense clustered fans, blue-grey to charcoal, nuttier flavour\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color: #3b6d11; text-decoration: underline;\" href=\"\/products\/oyster-mushroom-blue-shimeji-ready-to-fruit-block\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSnow White Oyster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePristine white clusters — elevates presentation on any plate\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color: #3b6d11; text-decoration: underline;\" href=\"\/products\/oyster-mushroom-snow-white-ready-to-fruit-block\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItalian Oyster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat-tolerant — fruits successfully when the others won't\u003c\/td\u003e\n\u003ctd\u003e\u003ca style=\"color: #3b6d11; text-decoration: underline;\" href=\"\/products\/oyster-mushroom-italian-ready-to-fruit-block\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"padding: 0.85rem 1.25rem; border-top: 1px solid #e8e4dc; background: #f0f7e8;\"\u003e\n\u003cp style=\"font-size: 13px; color: #444; margin: 0;\"\u003eNew to growing, or after a smaller starter? The \u003ca style=\"color: #3b6d11; font-weight: 600; text-decoration: underline;\" href=\"\/products\/pearl-oyster-mushroom-grow-kit\"\u003ePearl Oyster Mushroom Kit\u003c\/a\u003e is a forgiving beginner-friendly boxed format from the same range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: none; border-top: 1px solid #e8e4dc; margin: 2rem 0;\"\u003e\u003c!-- 9. BRAND STORY --\u003e\n\u003cp\u003e\u003cspan style=\"display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #3b6d11; margin-bottom: 1.1rem;\"\u003e The Kai Kai Farm story \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"background: #f7f5f0; border-radius: 10px; padding: 1.25rem 1.4rem;\"\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.8; margin: 0 0 0.75rem;\"\u003eKai Kai Farm is a family operation on Tamborine Mountain in Queensland's Scenic Rim. We grow gourmet mushrooms commercially — oysters, lion's mane, pioppino, chestnut — and we sell blocks cut from the same production we fruit ourselves.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.8; margin: 0 0 0.75rem;\"\u003eWe're growers, not resellers. Every block is mixed, sterilised and colonised here on the mountain, using methods refined over years of commercial gourmet and medicinal mushroom production. What arrives at your door is genuinely fresh — inoculated, colonised and packed to order, with verified contamination-free cultures and full transparency from substrate to shelf.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #555; line-height: 1.8; margin: 0;\"\u003eWhether you're fruiting one block on a kitchen bench or running a rack of them through a market garden, this is the block we grow ourselves. It's the one we'd hand a first-timer, and the one our commercial buyers keep coming back for.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Kai Kai Farm","offers":[{"title":"Default Title","offer_id":52851150029111,"sku":"BL-OY-BL","price":24.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/2040\/0695\/files\/BlueOysterFruitingBodySide.webp?v=1786832449","url":"https:\/\/kaikaifarm.au\/products\/oyster-mushroom-blue-2-2kg-ready-to-fruit-block","provider":"Kai Kai Farm","version":"1.0","type":"link"}