{"product_id":"vivosun-seedling-heat-mat-seed-starter-kit-72-cell","title":"Vivosun 10\"x20.75\" Seedling Heat Mat w\/ 6-Pack Seed Starter Trays","description":"\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch2\u003eVivosun 10\"x20.75\" Seedling Heat Mat w\/ 6-Pack Seed Starter Trays\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eCold windowsills and chilly basements slow germination, and seeds left too cool sprout unevenly or not at all. The Vivosun Seedling Combo solves both halves of the problem in one purchase. A 10″ × 20.75″ seedling heat mat with a digital thermostat delivers steady bottom heat, and a 72-cell seed starter kit with vented humidity domes holds moisture where seeds need it.\u003c\/p\u003e\n\u003cp\u003eThe heat mat uses far-infrared heating built into durable PVC and PET film designed to meet MET standards. Its IP67-rated waterproof surface wipes and scrubs clean. The self-adjusting dual digital display controller lets you set a target temperature for your crop. It reads an internal sensor chip and shows the pad's real-time temperature, so you can confirm conditions at a glance instead of guessing.\u003c\/p\u003e\n\u003cp\u003eThe seed starter kit includes six 12-cell trays, six base trays, and six clear humidity domes with adjustable vents for managing moisture and temperature during germination. Drain holes in every cell prevent overwatering, and the trays tolerate 0–120°F, so they won't melt on the mat. Sow directly into the cells or place six 30mm seedling blocks on each base tray. When seedlings are ready, they transplant easily into pots or garden beds, and the reusable trays nest for storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0;\"\u003e\u003cvideo src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/64a12a4d5b894b899fdf0a72649eff89.mp4\" style=\"width: 100%; height: auto; border-radius: 8px;\" autoplay=\"autoplay\" muted=\"\" loop=\"loop\" playsinline=\"\" controls=\"controls\" loading=\"lazy\"\u003e\n\u003c\/video\u003e\u003c\/div\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cstyle\u003e\n  .image-gallery-container{max-width:1000px;margin:20px auto;}\n  .image-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;}\n  .gallery-item{aspect-ratio:1;overflow:hidden;border-radius:8px;}\n  .gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 0.3s ease;}\n  .gallery-item:hover img{transform:scale(1.05);}\n  @media (max-width:768px){\n    .image-gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}\n    .gallery-item{flex:0 0 85%;scroll-snap-align:start;}\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"image-gallery-container\"\u003e\n\u003cdiv class=\"image-gallery\"\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_5.jpg?v=1791395414\" alt=\"Vivosun seedling combo with heat mat and seed starter trays\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_4.jpg\" alt=\"Vivosun seedling heat mat with dual digital display controller\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_3.jpg\" alt=\"Vivosun seed starter trays with vented humidity domes\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"gallery-item\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_6.jpg\" alt=\"Seedlings germinating on Vivosun heat mat\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .features-grid-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;padding:2rem 0;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;margin:0 auto;max-width:1240px;}\n  .feature-card{background-color:transparent;padding:1.5rem;border-radius:8px;text-align:center;flex:0 1 240px;box-sizing:border-box;}\n\u003c\/style\u003e\n\u003cdiv class=\"features-grid-container\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🌡️\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eDigital Thermostat\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eSet your target temperature and see real-time pad readings on a dual display.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🔥\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eFar-Infrared Heat Mat\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003e10″ × 20.75″ PVC and PET film mat delivers steady bottom heat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e💦\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eIP67 Waterproof Surface\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eSafe to scrub clean after spills, built to meet MET standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e💨\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eVented Humidity Domes\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eSix clear domes with adjustable vents hold moisture through germination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e🌱\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003e72 Cells or Seedling Blocks\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eSow into 12-cell trays or set six 30mm blocks on each base tray.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003cspan style=\"font-size: 2.5em; line-height: 1; color: #2c5530;\"\u003e💧\u003c\/span\u003e\n\u003ch5 style=\"font-size: 1.1em; font-weight: bold; color: #333; margin: 0.75rem 0 0.5rem 0;\"\u003eHeat-Safe, Draining Trays\u003c\/h5\u003e\n\u003cp style=\"font-size: 0.95em; line-height: 1.6; color: #555; margin: 0;\"\u003eTrays tolerate 0–120°F and drain excess water to protect roots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Seedling Heat Mat (10″ × 20.75″)\u003c\/li\u003e\n\u003cli\u003e1x Dual Digital Display Temperature Controller\u003c\/li\u003e\n\u003cli\u003e6x 12-Cell Seed Trays\u003c\/li\u003e\n\u003cli\u003e6x Base Trays\u003c\/li\u003e\n\u003cli\u003e6x Humidity Domes\u003c\/li\u003e\n\u003cli\u003e1x Garden Tool Kit\u003c\/li\u003e\n\u003cli\u003e10x Garden Labels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin-bottom: 0;\"\u003eSpecifications\u003c\/h4\u003e\n\u003cstyle\u003e.styled-spec-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid #eee;border-radius:8px;margin-bottom:1em;}.styled-spec-table{width:100%;border-collapse:collapse;}.styled-spec-table thead{background-color:#f8f8f8;}.styled-spec-table th,.styled-spec-table td{padding:12px 15px;text-align:left;vertical-align:top;}.styled-spec-table th{font-weight:bold;color:#333;border-bottom:2px solid #ccc;}.styled-spec-table td{border-bottom:1px solid #eee;}.styled-spec-table tbody td:first-child{font-weight:500;color:#444;}.styled-spec-table tbody tr:last-child td{border-bottom:none;}\u003c\/style\u003e\n\u003cdiv class=\"styled-spec-container\"\u003e\n\u003ctable class=\"styled-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Mat Size\u003c\/td\u003e\n\u003ctd\u003e10″ × 20.75″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Mat Material\u003c\/td\u003e\n\u003ctd\u003ePVC and PET Film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Technology\u003c\/td\u003e\n\u003ctd\u003eFar-Infrared\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Standard\u003c\/td\u003e\n\u003ctd\u003eDesigned to Meet MET Standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Controller\u003c\/td\u003e\n\u003ctd\u003eAdjustable, Dual Digital Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Sensing\u003c\/td\u003e\n\u003ctd\u003eInternal Sensor Chip, Real-Time Readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeed Trays\u003c\/td\u003e\n\u003ctd\u003e6 × 12-Cell (72 Cells Total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeedling Block Capacity\u003c\/td\u003e\n\u003ctd\u003e6 × 30mm blocks per base tray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Domes\u003c\/td\u003e\n\u003ctd\u003eClear, with Adjustable Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTray Drainage\u003c\/td\u003e\n\u003ctd\u003eDrain Holes in Each Cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTray Temperature Tolerance\u003c\/td\u003e\n\u003ctd\u003e0–120°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003eSupport \u0026amp; Manuals\u003c\/h4\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_Manual.pdf?v=1791395300\" rel=\"noopener noreferrer\" style=\"display: inline-flex; align-items: center; background-color: #f7f7f7; border: 1px solid #ddd; border-radius: 8px; padding: 12px 18px; text-decoration: none; color: #333; transition: background-color 0.3s ease, box-shadow 0.3s ease;\" target=\"_blank\"\u003e \u003cspan style=\"font-size: 1.5em; margin-right: 12px;\"\u003e📄\u003c\/span\u003e \u003cspan style=\"font-weight: bold;\"\u003eSeedling Combo User Manual\u003c\/span\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow do I set the temperature on the heat mat?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eUse the digital controller to enter your target temperature based on what you're germinating. The controller reads the mat's internal sensor chip and shows the pad's real-time temperature alongside your setting, so you can confirm it's holding steady.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWill the seed trays melt on the heat mat?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo. The seed starter trays tolerate temperatures from 0 to 120°F, so they hold up to continuous bottom heat without melting or warping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eCan I clean the heat mat if water spills on it?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. The heat mat has an IP67-rated waterproof surface that's safe to wipe and scrub. Regular cleaning helps keep it hygienic and working properly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eHow should I use the vents on the humidity domes?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eKeep the vents closed to hold in moisture and warmth while seeds germinate. As seedlings emerge, open them gradually to release excess humidity and help seedlings adjust to drier air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eCan I use seedling blocks instead of starting mix?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. Sow directly into the 12-cell trays with your starting mix. Or remove the cell tray and place six 30mm seedling blocks, such as rooter plugs or compost pucks, on each base tray.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eWhat can I grow with this combo?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe kit handles a wide range of seeds, including strawberries, peppers, mint, and more. Bottom heat is especially helpful for warm-season crops that germinate slowly in cool rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003eAre the trays reusable?\u003c\/span\u003e \u003cspan class=\"faq-icon\"\u003e+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. The durable trays and domes can be cleaned and reused for multiple seasons, and they nest together for compact storage between plantings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":52642269692120,"sku":"WEB-SST-H-0001","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1383\/1731\/files\/Vivosun_Seedling_Combo_1.png?v=1791395415","url":"https:\/\/trimleaf.com\/products\/vivosun-seedling-heat-mat-seed-starter-kit-72-cell","provider":"Trimleaf","version":"1.0","type":"link"}