{"product_id":"seedling-heat-mat-48-x-20-75-mp6l08gm-abip9","title":"Vivosun Seedling Heat Mat 48\" x 20.75\"","description":"\u003ch5\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h5\u003e \u003cp\u003e\u003cstrong\u003eThe Vivosun Seedling Heat Mat (48″ × 20.75″)\u003c\/strong\u003e is a professional-grade propagation mat designed to improve germination rates and support strong early plant development. It provides consistent, gentle bottom heat that raises root-zone temperatures approximately 10–20°F above ambient conditions, creating an optimal environment for seed starting, cloning, and propagation.\u003c\/p\u003e \u003cp\u003eBuilt with durable, flexible materials and reinforced electrical connections, this heat mat is designed for long-term use in indoor growing environments. Its evenly distributed heating wire ensures stable warmth without hot spots or root damage, while the insulated PET layer improves safety and efficiency. Ideal for use with humidity domes and seed trays, it helps accelerate germination, encourage uniform sprouting, and support healthier early-stage plant growth year-round.\u003c\/p\u003e \u003ch5\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h5\u003e \u003cdiv class=\"spec-table-wrapper\"\u003e \u003ctable class=\"spec-table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eProduct\u003c\/td\u003e \u003ctd\u003eSeedling Heat Mat\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eVivosun\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDimensions\u003c\/td\u003e \u003ctd\u003e48″ × 20.75″\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFunction\u003c\/td\u003e \u003ctd\u003eBottom heat for seed germination and propagation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTemperature Increase\u003c\/td\u003e \u003ctd\u003e~10°F to 20°F above ambient air temperature\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeating Wire\u003c\/td\u003e \u003ctd\u003eNickel-chromium (Alloy Nikrothal) heating wire\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSurface Material\u003c\/td\u003e \u003ctd\u003eDurable, flexible waterproof PET film\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSafety Feature\u003c\/td\u003e \u003ctd\u003eInsulated construction to prevent scorching and overheating\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDurability\u003c\/td\u003e \u003ctd\u003eReinforced power cord connection, long service life design\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWater Resistance\u003c\/td\u003e \u003ctd\u003eWipeable and water-resistant surface\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRecommended Use\u003c\/td\u003e \u003ctd\u003eSeed starting, cloning, winter propagation, seedling trays\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eWorks with humidity domes and standard propagation trays\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWarranty\u003c\/td\u003e \u003ctd\u003e1–2 year limited warranty (depending on region\/offer)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":52213459026203,"sku":null,"price":45.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/0151\/0171\/files\/vivosun-seedling-heat-mat-48-x-2075-3288617.png?v=1779850761","url":"https:\/\/greenthumbdepot.com\/products\/seedling-heat-mat-48-x-20-75-mp6l08gm-abip9","provider":"Green Thumb Depot","version":"1.0","type":"link"}