{"product_id":"silicone-grow-medium-10x20","title":"Reusable Silicone Grow Medium for Microgreens – 10x20","description":"\u003ch3\u003e\u003cstrong\u003e10x20 Silicone Reusable Microgreen Grow Medium - 1.2mm\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTired of the mess and waste that comes with soil and coco coir? Our \u003cstrong data-end=\"2135\" data-start=\"2085\"\u003e10x20 Silicone Reusable Microgreen Grow Medium\u003c\/strong\u003e offers a clean, soil-free alternative that reduces single-use growing materials while simplifying your microgreen setup. Designed to fit \u003ca title=\"10x20 Heavy Duty Microgreen Trays - Shallow - Bootstrap Farmer\" href=\"https:\/\/onthegrow.net\/products\/1020-microgreen-trays-shallow-extra-strength\"\u003estandard 10x20 trays\u003c\/a\u003e, this food-grade silicone grow mat is a practical option for both home and commercial growers.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhy Choose Silicone for Your 10x20 Trays?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"2804\" data-start=\"2446\"\u003eUnlike traditional grow mediums that need replacing after every harvest, this hydroponic reusable silicone mat can last for months with proper care—helping reduce waste and ongoing supply costs. The \u003cstrong data-end=\"2677\" data-start=\"2655\"\u003e1.2mm hole pattern\u003c\/strong\u003e supports moisture retention and root aeration, while the flexible silicone design makes handling, seeding, and cleanup easier.\u003c\/p\u003e\n\u003cp data-end=\"2981\" data-start=\"2806\"\u003eThis medium works well for many popular microgreen varieties, including \u003cstrong data-end=\"2944\" data-start=\"2878\"\u003eSunflower, Radish, Broccoli, Arugula, Basil, Cabbage, Kohlrabi\u003c\/strong\u003e, and most \u003cstrong data-end=\"2974\" data-start=\"2955\"\u003eBrassica family\u003c\/strong\u003e crops.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Specifications \u0026amp; Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Cut Dimensions:\u003c\/strong\u003e 19.65\" x 9.5\" – fits standard BSF 10x20 microgreen trays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Size:\u003c\/strong\u003e 1.2mm – for optimal root development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-Grade Platinum-Cured Silicone with fiberglass core for durability. 3rd party tested for FDA Compliance. LFGB Tested \u0026amp; Compliant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility:\u003c\/strong\u003e Easily customizable with household scissors for custom tray sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Months of continuous use with proper care and maintenance\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eSilicone is rated for 20 to 30+ grow cycles per sheet with proper care\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSimple Care \u0026amp; Maintenance for Maximum Longevity\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCleaning:\u003c\/strong\u003e After harvest, use our \u003cstrong\u003e\u003ca title=\"Microgreen Medium Scraper\/Cleaner\" href=\"https:\/\/onthegrow.net\/products\/microgreen-medium-scraper\"\u003eMicrogreen Medium Scraper\/Cleaning Tool\u003c\/a\u003e \u003c\/strong\u003eto remove root residue. Wash with warm water and a free-and-clear dish soap (or another silicone-safe, food-safe soap). The flexible silicone surface makes root removal quicker and easier than rigid materials.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSanitization between grows:\u003c\/strong\u003e For deeper sanitation, carefully pour boiling water over the mat or submerge it for \u003cstrong data-end=\"3899\" data-start=\"3884\"\u003e1–2 minutes\u003c\/strong\u003e (use caution when handling hot water). Allow the mat to air dry fully before reuse. Many growers sanitize in batches after harvest.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eFor additional tips, stain troubleshooting, and long-term care, see our \u003ca title=\"Silicone Reusable Microgreen Grow Medium - Complete Grow Medium Overview\" href=\"https:\/\/onthegrow.net\/blogs\/news\/meet-our-new-reusable-microgreen-grow-medium-silicone\"\u003eRead our complete silicone care guide\u003c\/a\u003e\u003c\/em\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eSeed Compatibility\u003c\/h4\u003e\n\u003cp data-end=\"4316\" data-start=\"4173\"\u003e✅ \u003cstrong data-end=\"4195\" data-start=\"4175\"\u003eWorks Well With:\u003c\/strong\u003e\u003cbr data-end=\"4198\" data-start=\"4195\"\u003eSunflower, Pea, Radish, Broccoli, Kale, Cabbage, Arugula, Basil, Mustard Greens, Kohlrabi, and most Brassica varieties\u003c\/p\u003e\n\u003cp data-end=\"4530\" data-start=\"4318\"\u003e⚠️ \u003cstrong data-end=\"4342\" data-start=\"4321\"\u003eMore Challenging:\u003c\/strong\u003e\u003cbr data-end=\"4345\" data-start=\"4342\"\u003eAmaranth can grow successfully at 75°F with a seedling heat mat used during germination. Very fine seeds may require adjustments depending on your setup.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"4633\" data-start=\"4532\"\u003e❌ \u003cstrong data-end=\"4554\" data-start=\"4534\"\u003eNot Recommended:\u003c\/strong\u003e\u003cbr data-end=\"4557\" data-start=\"4554\"\u003eSwiss Chard, Beets, and Cilantro (these perform better in soil or coco coir)\u003c\/p\u003e\n\u003cp data-end=\"4774\" data-start=\"4635\"\u003e💡 \u003cstrong data-end=\"4664\" data-start=\"4638\"\u003eBest Without a Medium:\u003c\/strong\u003e\u003cbr data-end=\"4667\" data-start=\"4664\"\u003ePea varieties with aggressive root systems often perform best directly on mesh trays without a grow medium.\u003c\/p\u003e\n\u003cp data-end=\"4854\" data-start=\"4776\"\u003e\u003cem data-end=\"4854\" data-start=\"4776\"\u003eDetailed seed compatibility infographics are included in the product photos.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eStart Small, Scale Confidently\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"5101\" data-start=\"4901\"\u003eIf you’re new to reusable grow mediums, we recommend starting with a \u003cstrong data-end=\"4980\" data-start=\"4970\"\u003e2-pack\u003c\/strong\u003e to test the setup in your environment. Once you’re dialed in, \u003cstrong data-end=\"5055\" data-start=\"5043\"\u003e10-packs\u003c\/strong\u003e offer better value for higher-volume growing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant to compare materials?\u003c\/strong\u003e Try our \u003ca title=\"10x10 Sampler Pack: Reusable Grow Mediums, Silicone \u0026amp; Steel\" href=\"https:\/\/onthegrow.tv\/ReusableSamplerPack\"\u003e10x10 Sampler Pack\u003c\/a\u003e featuring both silicone and stainless steel samples to find your perfect match.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDiscontinued: Stainless Steel 10x20 Version\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cem\u003eAs of \u003cstrong data-end=\"5294\" data-start=\"5278\"\u003eJanuary 2026\u003c\/strong\u003e, we’ve discontinued the stainless-steel version of our 10x20 grow medium indefinitely to focus on silicone, which has become the preferred option for most growers. For those interested, we still carry \u003cstrong\u003e\u003ca title=\"Reusable Grow Mediums\" href=\"https:\/\/onthegrow.net\/collections\/reusable-microgreen-grow-mediums\"\u003e10x10 Stainless Steel Reusable Grow Medium\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eMore Sizes Available\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eLooking for different tray sizes? We offer both silicone and stainless steel options in multiple pre-cut dimensions. \u003ca href=\"https:\/\/onthegrow.net\/collections\/all\/reusable-mediums\"\u003eBrowse all \u003c\/a\u003e\u003ca title=\"Shop Reusable Grow Mediums\" href=\"https:\/\/onthegrow.net\/collections\/all\/reusable-mediums\"\u003ereusable \u003c\/a\u003e\u003ca href=\"https:\/\/onthegrow.net\/collections\/all\/reusable-mediums\"\u003egrow medium sizes here\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e1-Year Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"5846\" data-start=\"5782\"\u003eAll silicone mesh screens are backed by our \u003cstrong data-end=\"5845\" data-start=\"5826\"\u003e1-year warranty.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eYou may find these blogs helpful:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/microgreen-seed-compatibility-reusable-grow-mediums-guide\"\u003eWhich Microgreen Seeds Work on Reusable Grow Mediums?\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/meet-our-new-reusable-microgreen-grow-medium-silicone\"\u003eSilicone Reusable Microgreen Grow Medium - Complete Grow Medium Overview\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/how-to-grow-microgreens-10x20-trays-complete-guide\"\u003eHow to Grow Microgreens in 10x20 Trays: Your Complete Guide to Reusables, Soil, and Coco Coir\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/how-to-clean-sanitize-microgreen-trays-reusable-mediums\"\u003eHow to Clean and Sanitize Microgreen Trays and Reusable Grow Mediums: Complete Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/microgreens-mold-prevention-identification-complete-guide\"\u003eMicrogreens and Mold: The Complete Guide to Prevention, Identification, and Treatment\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/unlocking-the-secret-knowing-the-right-time-to-transition-microgreen-trays-from-weight-to-blackout\"\u003eKnowing the Right Time to Transition Microgreen Trays from Weight to Blackout\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/microgreen-growing-mistakes-how-to-avoid\"\u003eCommon Mistakes When Growing Microgreens (And How to Avoid Them)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"article__title\" id=\"title-0\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/blogs\/microgreens\/best-microgreen-growing-advice-resources-on-the-grow\"\u003eLooking for the Best Microgreen Growing Advice? Start with On The Grow\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\" data-asw-orgfontsize=\"35\" data-asw-orglineheight=\"42\" data-asw-orgletterspacing=\"NaN\" data-asw-orgbgnotimg=\"none\"\u003e\u003ca href=\"https:\/\/onthegrow.net\/pages\/faq\"\u003eFrequently Asked Questions\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Product Disclaimers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePlease review our \u003ca href=\"https:\/\/onthegrow.net\/pages\/safety-disclaimer-for-stainless-steel-medium-use\"\u003eReusable Grow Medium Safety Disclaimer\u003c\/a\u003e before purchasing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCommercial use may require more frequent replacement \u0026amp; quicker deteriation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTrays, seeds, and other items shown in photos are NOT included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone staining:\u003c\/strong\u003e Some seed varieties may cause natural staining on the silicone surface—this doesn't affect performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiberglass core:\u003c\/strong\u003e Replace your mat if you notice tears, deep cuts, or significant wear that could compromise the fiberglass core integrity. \u003ca href=\"https:\/\/onthegrow.net\/blogs\/news\/meet-our-new-reusable-microgreen-grow-medium-silicone\"\u003eLearn more about replacement timing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable results:\u003c\/strong\u003e Growing success depends on your environment, experience, and methods. We recommend testing with small packs before committing to larger quantities\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003eNUTRITIONAL CONTENT DISCLAIMER: \u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThis product is an inert growing medium that does not add or remove nutrients from your crops. We make NO claims about nutritional content or nutrient density of microgreens grown using this product. \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eNutrient density depends on many factors outside our control including seed variety, water quality, light, fertilizers, and growing conditions - not the growing medium itself. We have not conducted laboratory testing and are not nutritionists. \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eFor complete nutritional disclaimer, see: \u003c\/span\u003e\u003ca href=\"https:\/\/onthegrow.net\/pages\/safety-disclaimer-for-stainless-steel-medium-use\" style=\"font-size: 0.875rem;\"\u003e[link to Safety Disclaimer page]\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LTN41Vl0Q9I?si=72wWikL3DZBvnf2B\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"On The Grow","offers":[{"title":"SILICONE: 2-pack - 10x20 Mesh","offer_id":43825384358043,"sku":"1020-SILICONE-2PACK","price":15.97,"currency_code":"USD","in_stock":true},{"title":"SILICONE: 10-pack - 10x20 Mesh","offer_id":43825384390811,"sku":"1020-SILICONE-10PACK","price":54.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/0278\/0827\/files\/red-cabbage-microgreens-growing-on-reusable-silicone-grow-medium-10x20.jpg?v=1777495659","url":"https:\/\/onthegrow.net\/products\/silicone-grow-medium-10x20","provider":"On The Grow","version":"1.0","type":"link"}