{"product_id":"3-pack-premium-24-oz-super-quick-colonizing-5-grain-jar-24oz","title":"3-Pack Premium 24 Oz Super-Quick-Colonizing 5-grain Jar (24oz)","description":"\u003cstyle\u003e\n@keyframes fadeInSoft {\n  from { opacity: 0; transform: translateY(10px); }\n  to { opacity: 1; transform: translateY(0); }\n}\n.fade-in-media {\n  animation: fadeInSoft 1.2s ease-out forwards;\n  opacity: 0;\n}\n.spec-table,\n.usage-table {\n  width: 100%;\n  border-collapse: collapse;\n  margin: 18px 0 24px 0;\n  font-size: 15px;\n}\n.spec-table th,\n.spec-table td,\n.usage-table th,\n.usage-table td {\n  border: 1px solid #e5e5e5;\n  padding: 10px 12px;\n  text-align: left;\n  vertical-align: top;\n}\n.spec-table th,\n.usage-table th {\n  background: #f7f7f7;\n}\n.info-callout {\n  background: #f8fafc;\n  border: 1px solid #e5e7eb;\n  border-radius: 8px;\n  padding: 16px 18px;\n  margin: 20px 0;\n}\n\u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003e3-Pack Premium 24oz Super Quick Colonizing 5-Grain Jars\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightning-Fast Colonization, Tapered Jar Design \u0026amp; Sterile Grain Spawn for Easy Bulk Growing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!-- Top Colonization Timeline Image --\u003e\n\u003cdiv class=\"fade-in-media\" style=\"text-align: center; margin: 18px 0 28px 0;\"\u003e\u003cimg style=\"max-width: 100%; height: auto; border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,0.12);\" alt=\"24oz 5-grain spawn jar colonization timeline showing fast mushroom grain jar colonization progress\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/24oz_5grain_Jars_timeline.jpg?v=1773500920\"\u003e\u003c\/div\u003e\n\u003cp\u003eGrow faster with \u003cstrong\u003eMidwest Grow Kits 3-Pack Premium 24oz Super Quick Colonizing 5-Grain Jars\u003c\/strong\u003e. These custom \u003cstrong\u003e24oz tapered glass grain spawn jars\u003c\/strong\u003e are built for growers who want rapid colonization, easy inoculation, and a jar design that makes colonized grain easier to remove when it is ready for bulk substrate or other expansion.\u003c\/p\u003e\n\u003cp\u003eCompared to standard 32oz jars, these 24oz jars are known for \u003cstrong\u003efaster average colonization times\u003c\/strong\u003e thanks to their smaller size, efficient grain mass, and optimized 5-grain blend. The custom tapered shape also helps the colonized jar contents slide out more easily once fully grown, making transfer cleaner and more convenient.\u003c\/p\u003e\n\u003cdiv class=\"info-callout\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eWhy growers love these jars:\u003c\/strong\u003e They colonize faster than larger 32oz jars, use a high-performance 5-grain blend, and feature a tapered glass design that helps the finished colonized cake slide out with less effort when it is time to spawn to bulk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose Our 24oz Super Quick Colonizing Jars?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Fastest Grain Spawn Product We Sell\u003c\/strong\u003e – Unique jar shape and size helps support quicker average colonization times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered Glass Design\u003c\/strong\u003e – Makes it easier to slide the fully colonized grain mass out of the jar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Colonization Blend\u003c\/strong\u003e – High ratio of smaller grains helps create more inoculation points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Easy Inoculation\u003c\/strong\u003e – Self-healing injection port works with spores or liquid culture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Gas Exchange\u003c\/strong\u003e – Premium 0.22 micron filter disk supports airflow while helping maintain sterility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreat for Bulk Growing\u003c\/strong\u003e – Ideal for monotubs, trays, casing mix, and bulk substrate expansion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThree (3) 24oz Tapered Glass Grain Spawn Jars\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 5-Grain Blend\u003c\/strong\u003e featuring:\n\u003cul\u003e\n\u003cli\u003eNutrient-enriched rye berries\u003c\/li\u003e\n\u003cli\u003eA high ratio of smaller grains for fast colonization\u003c\/li\u003e\n\u003cli\u003eSpecial mineral water mix fortified with gypsum and diammonium phosphate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.22 Micron Filter Disk\u003c\/strong\u003e for sterile gas exchange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Healing Injection Port\u003c\/strong\u003e for clean inoculation\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePressure Sterilized at 15 PSI for 120 Minutes\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJar Size\u003c\/td\u003e\n\u003ctd\u003e24oz Tapered Glass Jars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e3 Jars Per Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrain Blend\u003c\/td\u003e\n\u003ctd\u003ePremium quick-colonizing 5-grain blend with nutrient-enriched rye berries and a high ratio of smaller grains\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditives\u003c\/td\u003e\n\u003ctd\u003eGypsum and diammonium phosphate in a mineral water blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003e0.22 micron filter disk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInjection Port\u003c\/td\u003e\n\u003ctd\u003eSelf-healing port for spores or liquid culture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterilization\u003c\/td\u003e\n\u003ctd\u003e15 PSI for 120 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage Colonization Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 14–20 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Inoculation\u003c\/td\u003e\n\u003ctd\u003e3–4cc per jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eRecommended Usage Chart\u003c\/h2\u003e\n\u003cp\u003eUse this quick chart as a general guide when planning your grow.\u003c\/p\u003e\n\u003ctable class=\"usage-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRecommended Amount\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpore Syringe per Jar\u003c\/td\u003e\n\u003ctd\u003e3–4cc\u003c\/td\u003e\n\u003ctd\u003eInject through the self-healing port for clean inoculation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Culture per Jar\u003c\/td\u003e\n\u003ctd\u003e4-6cc\u003c\/td\u003e\n\u003ctd\u003eGreat choice for very fast colonization when using clean culture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Substrate Ratio\u003c\/td\u003e\n\u003ctd\u003e2–3 jars per 5 lbs of bulk casing mix\u003c\/td\u003e\n\u003ctd\u003eRecommended for monotub and bulk substrate grows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage Colonization Window\u003c\/td\u003e\n\u003ctd\u003e14–20 days\u003c\/td\u003e\n\u003ctd\u003eOften faster than standard 32oz grain jars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eDesigned for Speed and Easy Transfer\u003c\/h2\u003e\n\u003cp\u003eThese jars are built for growers who want both speed and convenience. The smaller 24oz size can colonize more quickly than larger jar formats, while the tapered glass shape makes it easier to remove the finished colonized grain when it is time to break it up or spawn it to bulk substrate.\u003c\/p\u003e\n\u003cp\u003eThat makes these jars an excellent option for growers using \u003cstrong\u003ebulk casing mix\u003c\/strong\u003e, \u003cstrong\u003emonotubs\u003c\/strong\u003e, and other bulk fruiting setups where fast turnaround and easy jar handling can improve the overall workflow.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePremium 24oz Grain Spawn Jars for Faster Mushroom Cultivation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMidwest Grow Kits 3-Pack Premium 24oz Super Quick Colonizing 5-Grain Jars\u003c\/strong\u003e gives growers a sterile, ready-to-use grain spawn option designed for fast colonization, easy inoculation, and simpler transfer into bulk substrate. If you want a jar that moves quickly and is easier to empty once colonized, this is one of the best options in the lineup.\u003c\/p\u003e\n\u003cdiv style=\"margin: 30px 0; padding: 22px; border-radius: 14px; background: linear-gradient(135deg, #f8fbff, #eef6ff); border: 1px solid #dbeafe;\"\u003e\n  \n  \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 20px;\"\u003e\n    \n    \u003cdiv style=\"flex: 1 1 260px;\"\u003e\n      \n      \u003ch3 style=\"margin: 0 0 8px; font-size: 22px;\"\u003e\n        New to Grain Spawn?\n      \u003c\/h3\u003e\n      \n      \u003cp style=\"margin: 0 0 14px; font-size: 15px; color: #374151;\"\u003e\n        Learn exactly how to inoculate, incubate, and fully colonize your spawn bags or grain jars with our step-by-step guide.\n      \u003c\/p\u003e\n\n      \u003ca href=\"https:\/\/www.midwestgrowkits.com\/pages\/spawn-bag-grain-jar-guide-how-to-inoculate-incubate-colonize\" style=\"display: inline-block; padding: 12px 18px; background: #1e90ff; color: white; border-radius: 8px; font-weight: 600; text-decoration: none;\"\u003e\n        Read the Full Guide →\n      \u003c\/a\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1 1 180px;\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Spawn_bag_guide_hero_1.png?v=1776512883\" alt=\"Spawn Bag and Grain Jar Guide\" style=\"width: 100%; border-radius: 10px;\"\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Midwest Grow Kits","offers":[{"title":"Default Title","offer_id":44595538460775,"sku":"PQC3","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3699\/8759\/files\/3_pack_24oz_jars.jpg?v=1789057604","url":"https:\/\/fernprairiemycosupplies.com\/products\/3-pack-premium-24-oz-super-quick-colonizing-5-grain-jar-24oz","provider":"Fern Prairie Myco Supplies","version":"1.0","type":"link"}