{"product_id":"3-pack-organic-rye-grain-jars-32oz","title":"3-Pack Original Rye Grain Jars (32oz)","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\n\u003cp\u003e\u003cstrong\u003e3-Pack Original Rye Grain Spawn Jars (32oz Wide Mouth)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSterile Rye Berry Mushroom Spawn Jars for Easy Inoculation, Reliable Colonization \u0026amp; Bulk Growing\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c!-- Top Colonization Timeline Image --\u003e\n\u003cdiv style=\"text-align:center; margin: 18px 0 28px 0;\" class=\"fade-in-media\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0712\/0679\/7461\/files\/Rye_Berry_Jars_timeline.jpg?v=1773500296\" alt=\"rye berry spawn jar colonization timeline showing mushroom grain jar progress from inoculation to full colonization\" style=\"max-width:100%; height:auto; border-radius:10px; box-shadow: 0 12px 30px rgba(0,0,0,0.12);\"\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eStart your grow with one of the most trusted grain spawn options in mushroom cultivation. The \u003cstrong\u003eMidwest Grow Kits 3-Pack Original Rye Grain Spawn Jars\u003c\/strong\u003e includes three \u003cstrong\u003e32oz wide mouth sterilized rye berry jars\u003c\/strong\u003e prepared for clean inoculation, dependable colonization, and easy expansion into bulk substrate, monotubs, grow bags, or additional grain spawn.\u003c\/p\u003e\n\n\u003cp\u003eEach jar is filled with properly hydrated \u003cstrong\u003epremium rye grain\u003c\/strong\u003e, a classic choice for mushroom spawn thanks to its moisture retention, nutrient profile, and grain size. Rye berry spawn jars are widely used by growers who want a reliable, easy-to-work-with substrate for spores or liquid culture.\u003c\/p\u003e\n\n\u003cdiv class=\"info-callout\"\u003e\n  \u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eWhy growers like rye grain jars:\u003c\/strong\u003e Rye berries offer an excellent balance of moisture, nutrition, and grain structure, making them a dependable choice for clean colonization, shake recovery, and expansion into larger bulk growing projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose Our Rye Grain Spawn Jars?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Colonization\u003c\/strong\u003e – Premium rye grain offers a proven environment for healthy mycelium growth.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Easy Inoculation\u003c\/strong\u003e – Self-healing injection ports make spores and liquid culture simple to use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDependable Gas Exchange\u003c\/strong\u003e – Each lid includes a 0.22 micron filter patch for airflow while helping resist contamination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSterile \u0026amp; Ready to Use\u003c\/strong\u003e – Professionally prepared and sterilized for immediate inoculation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat for Bulk Growing\u003c\/strong\u003e – Excellent for spawning to casing mix, bulk substrate, monotubs, and grow bags.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeginner Friendly\u003c\/strong\u003e – A simple and dependable way to begin with grain spawn jars.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eThree (3) 32oz Wide Mouth Glass Rye Grain Spawn Jars\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePremium Hydrated Rye Grain\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.22 Micron Filter Patch\u003c\/strong\u003e for 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\n\u003cstrong\u003eProfessionally Sterilized Grain Spawn Jars\u003c\/strong\u003e ready for spores or liquid culture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\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\u003e32oz Wide Mouth 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 Type\u003c\/td\u003e\n      \u003ctd\u003ePremium hydrated rye berries\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFilter Type\u003c\/td\u003e\n      \u003ctd\u003e0.22 micron filter patch\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\u003ePreparation\u003c\/td\u003e\n      \u003ctd\u003eProfessionally hydrated and sterilized\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    \u003ctr\u003e\n      \u003ctd\u003eUse Case\u003c\/td\u003e\n      \u003ctd\u003eSpawn production, monotubs, grow bags, grain expansion, bulk substrate cultivation\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRecommended Usage Chart\u003c\/h2\u003e\n\n\u003cp\u003eUse this quick chart as a general guide when planning your bulk grow.\u003c\/p\u003e\n\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\u003e3–4cc\u003c\/td\u003e\n      \u003ctd\u003eWorks well for faster 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 jars per 5 lbs of 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\u003eBest Use Case\u003c\/td\u003e\n      \u003ctd\u003eMonotubs, grow bags, trays, bulk grows\u003c\/td\u003e\n      \u003ctd\u003eExcellent for expanding colonized grain into larger fruiting setups\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Rye Grain Still Matters\u003c\/h2\u003e\n\n\u003cp\u003eRye berries remain one of the most popular grain spawn choices for a reason. Their size, texture, and moisture-holding ability make them easy to inoculate, easy to shake, and dependable for strong mycelium colonization. For growers who prefer a classic grain spawn format, rye jars continue to be a proven option.\u003c\/p\u003e\n\n\u003cp\u003eThese jars are especially useful for growers moving into \u003cstrong\u003ebulk substrate cultivation\u003c\/strong\u003e, \u003cstrong\u003emonotub growing\u003c\/strong\u003e, and \u003cstrong\u003espawn expansion\u003c\/strong\u003e, where clean and vigorous grain spawn can make the rest of the process easier and more consistent.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrom Jar to Bulk Monotub Grow\u003c\/h2\u003e\n\n\u003cp\u003eThe video below shows the process of inoculating a grain jar, allowing it to colonize, breaking it up, and mixing it with substrate for a bulk monotub grow.\u003c\/p\u003e\n\n\u003cdiv style=\"max-width: 760px; margin: 25px auto 10px auto;\" class=\"fade-in-media\"\u003e\n  \u003cdiv style=\"position: relative; overflow: hidden; border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,0.12);\"\u003e\n    \u003cdiv style=\"padding: 56.25% 0 0 0; position: relative;\"\u003e\n      \u003ciframe src=\"https:\/\/player.vimeo.com\/video\/1173563699\" title=\"Rye Grain Spawn Jar to Bulk Monotub Grow Video\" style=\"position:absolute; top:0; left:0; width:100%; height:100%;\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen\u003e\n      \u003c\/iframe\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003ePremium Rye Grain Spawn Jars for Mushroom Cultivation\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMidwest Grow Kits 3-Pack Original Rye Grain Spawn Jars\u003c\/strong\u003e gives growers a sterile, ready-to-use rye berry spawn option designed for dependable colonization and easy expansion into bulk substrate. Whether you are inoculating with spores or liquid culture, these jars provide a clean and reliable starting point for mushroom cultivation projects of all sizes.\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":44595538493543,"sku":"RG32","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3699\/8759\/files\/32oz_rye_grain_Jars.jpg?v=1789057605","url":"https:\/\/fernprairiemycosupplies.com\/products\/3-pack-organic-rye-grain-jars-32oz","provider":"Fern Prairie Myco Supplies","version":"1.0","type":"link"}