{"product_id":"25q-benchtop-mushroom-autoclave-110v","title":"25Q Fully Automatic Electric Pressure Sterilizer Autoclave 110V","description":"\u003cstyle\u003e\n.bmm-pdp{color:#101a24;box-sizing:border-box;max-width:100%;line-height:1.65}\n.bmm-pdp *{box-sizing:border-box;max-width:100%}\n.bmm-pdp p,.bmm-pdp li,.bmm-pdp td,.bmm-pdp th,.bmm-pdp span,.bmm-pdp summary,.bmm-pdp div{font-family:inherit;color:#101a24}\n.bmm-pdp p{margin:0 0 14px}\n.bmm-pdp h2{margin:38px 0 12px;color:#101a24;font-weight:600;letter-spacing:-.01em}\n.bmm-pdp h3{margin:26px 0 8px;color:#101a24;font-weight:600}\n.bmm-pdp .b{font-weight:600 !important}\n.bmm-pdp a{color:#1d4e79 !important;text-decoration:underline;text-underline-offset:2px}\n.bmm-pdp img{width:100%;height:auto;display:block;margin:18px 0}\n.bmm-pdp .bmm-lead{font-size:1.06em}\n.bmm-pdp .bmm-plate{background:#101a24;margin:24px 0 30px;padding:2px;display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:2px;list-style:none !important;list-style-type:none !important}\n.bmm-pdp .bmm-plate li{list-style:none !important;list-style-type:none !important;background:#101a24;padding:18px 14px;text-align:left;border-left:2px solid #2c4356}\n.bmm-pdp .bmm-plate li:first-child{border-left:0}\n.bmm-pdp .bmm-plate li::marker{content:\"\" !important;font-size:0 !important}\n.bmm-pdp .bmm-plate li::before,.bmm-pdp .bmm-plate li::after{content:none !important;display:none !important}\n.bmm-pdp .bmm-plate .bmm-num{display:block;color:#ffffff !important;font-size:1.45em;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.2}\n.bmm-pdp .bmm-plate .bmm-unit{display:block;color:#8ba6bd !important;font-size:.82em;margin-top:5px;line-height:1.4}\n.bmm-pdp .bmm-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0}\n.bmm-pdp .bmm-spec{width:100%;border-collapse:collapse;min-width:420px;font-variant-numeric:tabular-nums}\n.bmm-pdp .bmm-spec th,.bmm-pdp .bmm-spec td{padding:11px 14px;text-align:left;vertical-align:top;border:0;border-bottom:1px solid #dfe4e8}\n.bmm-pdp .bmm-spec tbody th{font-weight:500;color:#4a5b6b !important;width:47%}\n.bmm-pdp .bmm-spec tbody td{font-weight:600}\n.bmm-pdp .bmm-spec tbody tr:nth-child(odd) th,.bmm-pdp .bmm-spec tbody tr:nth-child(odd) td{background:#f5f7f9}\n.bmm-pdp .bmm-spec tbody tr:last-child th,.bmm-pdp .bmm-spec tbody tr:last-child td{border-bottom:2px solid #101a24}\n.bmm-pdp .bmm-cycle{width:100%;border-collapse:collapse;min-width:420px;margin:18px 0}\n.bmm-pdp .bmm-cycle th,.bmm-pdp .bmm-cycle td{padding:11px 14px;text-align:left;vertical-align:top;border:0;border-bottom:1px solid #dfe4e8}\n.bmm-pdp .bmm-cycle thead th{background:#101a24;color:#ffffff !important;font-weight:600}\n.bmm-pdp .bmm-day{margin:18px 0;padding:0;list-style:none !important;list-style-type:none !important;border-left:2px solid #d3d8dd}\n.bmm-pdp .bmm-day li{list-style:none !important;list-style-type:none !important;padding:0 0 14px 20px;position:relative}\n.bmm-pdp .bmm-day li:last-child{padding-bottom:0}\n.bmm-pdp .bmm-day li::marker{content:\"\" !important;font-size:0 !important}\n.bmm-pdp .bmm-day li::after{content:none !important;display:none !important}\n.bmm-pdp .bmm-day li::before{content:\"\";position:absolute;left:-5px;top:8px;width:8px;height:8px;background:#1d4e79;border-radius:50%}\n.bmm-pdp .bmm-note{border-left:3px solid #1d4e79;padding:4px 0 4px 18px;margin:22px 0}\n.bmm-pdp .bmm-warn{border-left:3px solid #8a4b20;padding:4px 0 4px 18px;margin:22px 0}\n.bmm-pdp .bmm-note p:last-child,.bmm-pdp .bmm-warn p:last-child{margin-bottom:0}\n.bmm-pdp .bmm-links{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0;padding:0;list-style:none !important;list-style-type:none !important}\n.bmm-pdp .bmm-links li{list-style:none !important;list-style-type:none !important}\n.bmm-pdp .bmm-links li::marker{content:\"\" !important;font-size:0 !important}\n.bmm-pdp .bmm-links li::before,.bmm-pdp .bmm-links li::after{content:none !important;display:none !important}\n.bmm-pdp .bmm-links a{display:inline-block;padding:9px 16px;background:#101a24;color:#fff !important;text-decoration:none !important;font-weight:500}\n.bmm-pdp .bmm-links a.bmm-alt{background:transparent;color:#101a24 !important;border:1px solid #c3cbd3}\n.bmm-pdp details{border-bottom:1px solid #dfe4e8;margin:0}\n.bmm-pdp summary.bmm-q{cursor:pointer;list-style:none !important;padding:15px 40px 15px 0;position:relative;font-weight:600}\n.bmm-pdp summary.bmm-q::-webkit-details-marker{display:none}\n.bmm-pdp summary.bmm-q::marker{content:\"\" !important}\n.bmm-pdp summary.bmm-q::after{content:\"\";position:absolute;right:8px;top:calc(50% - 4px);width:8px;height:8px;border-right:2px solid #1d4e79;border-bottom:2px solid #1d4e79;transform:rotate(45deg);transition:transform .2s ease}\n.bmm-pdp details[open] summary.bmm-q::after{transform:rotate(-135deg)}\n.bmm-pdp .bmm-a{padding:0 0 16px}\n.bmm-pdp .bmm-a p:last-child{margin-bottom:0}\n@media (prefers-reduced-motion:reduce){.bmm-pdp summary.bmm-q::after{transition:none}}\n@media (max-width:600px){.bmm-pdp .bmm-links a{display:block;text-align:center}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"bmm-pdp\"\u003e\n\n\u003cp class=\"bmm-lead\"\u003eThe \u003cspan class=\"b\"\u003eBonsai 25Q\u003c\/span\u003e is a compact benchtop autoclave for growers who sterilize every week and are tired of babysitting a stovetop pressure cooker. Set your temperature, set your time, walk away. It reaches sterilization pressure in about 25 minutes on a standard 110V outlet, holds 15 to 20 PSI, and alarms when the cycle is done.\u003c\/p\u003e\n\n\u003cul class=\"bmm-plate\"\u003e\n\u003cli\u003e\n\u003cspan class=\"bmm-num\"\u003e25 qt\u003c\/span\u003e\u003cspan class=\"bmm-unit\"\u003e~23.7 L chamber\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bmm-num\"\u003e14\u003c\/span\u003e\u003cspan class=\"bmm-unit\"\u003ewide-mouth quart jars\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bmm-num\"\u003e110V\u003c\/span\u003e\u003cspan class=\"bmm-unit\"\u003e2 kW, standard outlet\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bmm-num\"\u003e~25 min\u003c\/span\u003e\u003cspan class=\"bmm-unit\"\u003eto pressure\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"bmm-num\"\u003e38 lb\u003c\/span\u003e\u003cspan class=\"bmm-unit\"\u003eships parcel, no freight\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRewired for the US before it ships\u003c\/h2\u003e\n\n\u003cp\u003eImported benchtop autoclaves have a reputation, and the wiring is usually why. Bonsai imports these units and \u003cspan class=\"b\"\u003ereplaces the original wiring with heavy-duty American wire\u003c\/span\u003e, along with several other component changes, before they go out the door.\u003c\/p\u003e\n\n\u003cdiv class=\"bmm-note\"\u003e\n\u003cp\u003eThat is the difference between this and the near-identical looking units you will find on overseas marketplaces for less. The chamber may be similar; what carries the current is not.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy this instead of a stovetop pressure canner\u003c\/h2\u003e\n\n\u003cp\u003eA stovetop canner works, but it needs a burner, constant attention, and manual pressure management on every load. The 25Q is a sealed electric unit with its own heating element and digital control. The difference is not sterilization quality — both reach 121°C — it is what you do during the cycle.\u003c\/p\u003e\n\n\u003cdiv class=\"bmm-scroll\"\u003e\n\u003ctable class=\"bmm-cycle\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eBonsai 25Q\u003c\/th\u003e\n\u003cth\u003eStovetop canner\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"b\"\u003eHeat source\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 2 kW element, 110V outlet\u003c\/td\u003e\n\u003ctd\u003eYour stove or a propane burner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"b\"\u003ePressure control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, digital setpoint\u003c\/td\u003e\n\u003ctd\u003eManual — you watch the gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"b\"\u003eAttention required\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eLoad, set, walk away\u003c\/td\u003e\n\u003ctd\u003eMonitored for the whole cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"b\"\u003eCycle end\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto shut-off plus audible alarm\u003c\/td\u003e\n\u003ctd\u003eYou have to be there\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"b\"\u003eStove tied up\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes, for hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhat fits inside, and how long it takes\u003c\/h2\u003e\n\n\u003cp\u003eThe chamber is tall and narrow rather than wide, which is what lets a 25-quart unit take a full rack of quart jars standing upright.\u003c\/p\u003e\n\n\u003cdiv class=\"bmm-scroll\"\u003e\n\u003ctable class=\"bmm-cycle\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad\u003c\/th\u003e\n\u003cth\u003eCapacity per cycle\u003c\/th\u003e\n\u003cth\u003eTypical hold time\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWide-mouth quart jars (grain)\u003c\/td\u003e\n\u003ctd\u003eUp to 14\u003c\/td\u003e\n\u003ctd\u003e90 min at 121°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid culture jars\u003c\/td\u003e\n\u003ctd\u003eUp to 14\u003c\/td\u003e\n\u003ctd\u003e25–30 min at 121°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgar media flasks\u003c\/td\u003e\n\u003ctd\u003eVaries by vessel\u003c\/td\u003e\n\u003ctd\u003e25–30 min at 121°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTools and utensils\u003c\/td\u003e\n\u003ctd\u003eLoose in basket\u003c\/td\u003e\n\u003ctd\u003e25–30 min at 121°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eAdd roughly 25 minutes to reach pressure, plus cool-down, on top of the hold times above. Small-batch spawn bags work too, provided they sit loosely enough for steam to circulate.\u003c\/p\u003e\n\n\u003ch2\u003eRunning a cycle\u003c\/h2\u003e\n\n\u003cul class=\"bmm-day\"\u003e\n\u003cli\u003eRemove the inner stainless basket and disconnect the lid tubing.\u003c\/li\u003e\n\u003cli\u003ePlace the aluminum grate in the bottom of the chamber.\u003c\/li\u003e\n\u003cli\u003eAdd purified water, enough to cover the heating elements — roughly 1 cm below the bottom tray.\u003c\/li\u003e\n\u003cli\u003eLoad your jars, bags, media, or tools.\u003c\/li\u003e\n\u003cli\u003eClose the lid and tighten the hand wheel knob.\u003c\/li\u003e\n\u003cli\u003eSet the temperature to 121°C (250°F) and enter your hold time.\u003c\/li\u003e\n\u003cli\u003eStart. The timer begins once the chamber reaches setpoint, around 15 to 17 PSI.\u003c\/li\u003e\n\u003cli\u003eWait for the completion alarm, then vent and unload.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"bmm-warn\"\u003e\n\u003cp\u003e\u003cspan class=\"b\"\u003eWater matters.\u003c\/span\u003e Use purified or RO water. Hard tap water will scale the heating element over time and shorten its life. This is the single most common maintenance mistake we see on these units.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cdiv class=\"bmm-scroll\"\u003e\n\u003ctable class=\"bmm-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eChamber capacity\u003c\/th\u003e\n\u003ctd\u003e25 quarts (approx. 23.7 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJar capacity\u003c\/th\u003e\n\u003ctd\u003eUp to 14 wide-mouth quart jars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003e100% stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating element\u003c\/th\u003e\n\u003ctd\u003e2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e110V standard household outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e15 – 20 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature range\u003c\/th\u003e\n\u003ctd\u003e105°C – 126°C (221°F – 259°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTime to pressure\u003c\/th\u003e\n\u003ctd\u003eApprox. 25 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003ctd\u003eLED panel — set temperature and hold time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLid\u003c\/th\u003e\n\u003ctd\u003eQuick-latch hand wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded\u003c\/th\u003e\n\u003ctd\u003eRemovable stainless basket, aluminum bottom grate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrainage\u003c\/th\u003e\n\u003ctd\u003eWater drain outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e38 lbs — ships parcel, no freight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"b\"\u003eDouble safety valve system\u003c\/span\u003e — redundant over-pressure protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"b\"\u003eAutomatic shut-off\u003c\/span\u003e — the unit powers down the element at cycle end\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"b\"\u003eCompletion alarm\u003c\/span\u003e — audible signal so a finished cycle is never left sitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"b\"\u003eQuick-latch hand wheel\u003c\/span\u003e — positive lid engagement before pressure builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eThe only unit here that needs no electrical work\u003c\/h2\u003e\n\n\u003cp\u003eEvery other sterilizer we sell runs on 220 or 240 volts, which means an electrician, a dedicated circuit, and a freight delivery before you sterilize anything. The 25Q plugs into the wall and ships by parcel carrier at 38 lbs.\u003c\/p\u003e\n\n\u003cdiv class=\"bmm-note\"\u003e\n\u003cp\u003eGive it its own circuit if you can. Nothing special is required, but a 2 kW draw sharing a kitchen circuit can trip a breaker mid-cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSterilization only — this model does not pasteurize\u003c\/h2\u003e\n\n\u003cdiv class=\"bmm-warn\"\u003e\n\u003cp\u003eThe 25Q runs from 105°C upward and \u003cspan class=\"b\"\u003edoes not reach the low temperatures a true pasteurization cycle requires\u003c\/span\u003e. For substrate you intend to pasteurize rather than sterilize, you need a commercial chamber that holds a lower setpoint — our \u003ca href=\"\/products\/b310-commercial-mushroom-sterilizer\"\u003eB-310L\u003c\/a\u003e and larger models run both processes.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cul class=\"bmm-links\"\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/sterilizer-autoclaves-pasteurizers\"\u003eAll sterilizers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/150l-vertical-mushroom-autoclave\" class=\"bmm-alt\"\u003eStep up to the 150L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/sterilizer-parts\" class=\"bmm-alt\"\u003eParts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eIs the Bonsai 25Q a true autoclave or just a pressure cooker?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eIt is a true steam autoclave. It reaches and holds 121°C at 15 to 20 PSI with automatic digital pressure and temperature control, which is the standard sterilization condition for laboratory media. The difference from a pressure cooker is the control system and the automatic shut-off, not the sterilization itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eHow many jars fit in the 25Q?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eUp to 14 wide-mouth quart jars standing upright. The chamber is tall and narrow rather than wide, which is what makes that count possible in a 25-quart unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eDoes it need a special electrical outlet?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eNo. It runs on a standard 110V household outlet and draws 2 kW. No 220V service, no electrician, no dedicated circuit installation. Give it its own circuit if you can, simply because a 2 kW draw on a shared kitchen circuit can trip a breaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eHow long is a full grain jar cycle?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003ePlan on 90 minutes of hold time at 121°C for grain, plus roughly 25 minutes to reach pressure and cool-down afterward. Liquid culture and agar media need only 25 to 30 minutes of hold time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eCan it sterilize spawn bags as well as jars?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eYes, for small-batch work. Bags need to sit so steam can circulate rather than being packed tight. If you are running large volumes of bags every week, a floor-standing unit like the \u003ca href=\"\/products\/150l-vertical-mushroom-autoclave\"\u003e150L\u003c\/a\u003e will suit you better than a benchtop machine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eHow does it compare to an All American stovetop sterilizer?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eAn All American is an excellent piece of equipment and will outlive almost anything. The difference is workflow. The All American is a stovetop unit you monitor manually for the entire cycle; the 25Q is self-contained, reaches pressure faster, holds the setpoint automatically, and shuts itself off. If you want a machine you can load and leave, the 25Q is the one. If you want something with no electronics to ever fail, the All American is.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eWhat maintenance does it need?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eUse purified or RO water to prevent scale, keep the lid gasket clean and free of debris, and replace the gasket about once a year, or every six months under heavy daily use. Replacement gaskets are stocked in our \u003ca href=\"\/collections\/sterilizer-parts\"\u003eparts collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary class=\"bmm-q\"\u003eCan I pasteurize substrate in it?\u003c\/summary\u003e\n\u003cdiv class=\"bmm-a\"\u003e\n\u003cp\u003eNo. The lowest setting is 105°C, well above pasteurization range. For that you need the \u003ca href=\"\/products\/b310-commercial-mushroom-sterilizer\"\u003eB-310L\u003c\/a\u003e or larger.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\":\"Question\",\"name\":\"Is the Bonsai 25Q a true autoclave or just a pressure cooker?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is a true steam autoclave. It reaches and holds 121°C at 15 to 20 PSI with automatic digital pressure and temperature control, which is the standard sterilization condition for laboratory media. The difference from a pressure cooker is the control system and the automatic shut-off, not the sterilization itself.\"}},\n    {\"@type\":\"Question\",\"name\":\"How many jars fit in the 25Q?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Up to 14 wide-mouth quart jars standing upright. The chamber is tall and narrow rather than wide, which is what makes that count possible in a 25-quart unit.\"}},\n    {\"@type\":\"Question\",\"name\":\"Does the 25Q need a special electrical outlet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It runs on a standard 110V household outlet and draws 2 kW. No 220V service, no electrician, no dedicated circuit installation. Give it its own circuit if you can, simply because a 2 kW draw on a shared kitchen circuit can trip a breaker.\"}},\n    {\"@type\":\"Question\",\"name\":\"How long is a full grain jar cycle in the 25Q?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Plan on 90 minutes of hold time at 121°C for grain, plus roughly 25 minutes to reach pressure and cool-down afterward. Liquid culture and agar media need only 25 to 30 minutes of hold time.\"}},\n    {\"@type\":\"Question\",\"name\":\"Can the 25Q sterilize spawn bags as well as jars?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, for small-batch work. Bags need to sit so steam can circulate rather than being packed tight. For large volumes of bags every week, a floor-standing unit will suit better than a benchtop machine.\"}},\n    {\"@type\":\"Question\",\"name\":\"What maintenance does the 25Q need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use purified or RO water to prevent scale, keep the lid gasket clean and free of debris, and replace the gasket about once a year, or every six months under heavy daily use.\"}},\n    {\"@type\":\"Question\",\"name\":\"Can I pasteurize substrate in the 25Q?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The lowest setting is 105°C, well above pasteurization range. Pasteurization requires a commercial chamber that holds a lower setpoint.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Blue Myco","offers":[{"title":"Default Title","offer_id":46324497907940,"sku":"AC25Q","price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9325\/8212\/files\/b39f60_bcdc7c34e888417fbd247f585ffe8052_mv2.webp?v=1747846200","url":"https:\/\/www.bluemycomfg.com\/products\/25q-benchtop-mushroom-autoclave-110v","provider":"Blue Myco MFG","version":"1.0","type":"link"}