{"product_id":"commercial-heat-mat-master-add-on","title":"Commercial Heat Mat Master \/ Add-On","description":"\u003ch2\u003eSeedling Heat Mat – Faster Germination \u0026amp; Root Growth\u003c\/h2\u003e\n\u003ch4\u003eBoost germination rates and strengthen root growth with reliable bottom heat.\u003c\/h4\u003e\n\u003cp\u003eThe Seedling Heat Mat creates the perfect root-zone environment for seed starting, cuttings, and propagation by warming the soil 10–20°F above ambient temperature. Ideal for greenhouses, grow tents, or indoor setups, this waterproof, easy-to-clean mat delivers consistent warmth that speeds germination and increases success rates.\u003c\/p\u003e\n\u003cp\u003eChoose between a \u003cstrong data-start=\"812\" data-end=\"827\"\u003eMaster Unit\u003c\/strong\u003e (standalone power) or \u003cstrong data-start=\"850\" data-end=\"865\"\u003eAdd-On Unit\u003c\/strong\u003e (connect up to 4 mats via daisy-chain). \u003cem\u003eYou must have a Master Unit, to power an Add-on Unit.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eFor best results, pair with Pepper Joe's \u003ca href=\"https:\/\/pepperjoe.live\/products\/seedling-heat-mat-temperature-controller\" title=\"heat mat temperature controller\" rel=\"noopener\" target=\"_blank\"\u003eDigital Heat Mat Temperature Controller\u003c\/a\u003e for precise soil temperature management.\u003c\/p\u003e\n\u003ch2 data-start=\"1031\" data-end=\"1048\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1049\" data-end=\"1578\"\u003e\n\u003cli data-start=\"1049\" data-end=\"1126\"\u003e\n\u003cp data-start=\"1051\" data-end=\"1126\"\u003e\u003cstrong data-start=\"1054\" data-end=\"1087\"\u003eIncreases germination success\u003c\/strong\u003e – Provides consistent root-zone heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1127\" data-end=\"1214\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1214\"\u003e\u003cstrong data-start=\"1132\" data-end=\"1153\"\u003eExpandable system\u003c\/strong\u003e – Daisy-chain up to 4 mats together (master unit required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1215\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1217\" data-end=\"1307\"\u003e\u003cstrong data-start=\"1220\" data-end=\"1250\"\u003eWaterproof \u0026amp; easy to clean\u003c\/strong\u003e – Safe to use during watering, no plant removal needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1308\" data-end=\"1385\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1385\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1346\"\u003ePatented double-layer design\u003c\/strong\u003e – Extra durability for long-term use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1386\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1388\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1390\" data-end=\"1399\"\u003eSpecs\u003c\/strong\u003e: 60\" L × 21\" W | 120 VAC | 150 Watts | 50\/60 Hertz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1504\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1479\"\u003e6-foot power cord\u003c\/strong\u003e – UL-listed for safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1505\" data-end=\"1578\"\u003e\n\u003cp data-start=\"1507\" data-end=\"1578\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1527\"\u003e24\/7 operation\u003c\/strong\u003e – Designed for continuous use during propagation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1585\" data-end=\"1620\"\u003eHow to Use a Seedling Heat Mat\u003c\/h2\u003e\n\u003cul data-start=\"1621\" data-end=\"1915\"\u003e\n\u003cli data-start=\"1621\" data-end=\"1698\"\u003e\n\u003cp data-start=\"1623\" data-end=\"1698\"\u003ePlace under trays or pots to keep soil between 65–80°F for most crops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1764\"\u003e\n\u003cp data-start=\"1701\" data-end=\"1764\"\u003eUse with a digital controller for precise heat regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1765\" data-end=\"1855\"\u003e\n\u003cp data-start=\"1767\" data-end=\"1855\"\u003eIdeal for seed starting in winter, microgreen production, and propagation cuttings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1856\" data-end=\"1915\"\u003e\n\u003cp data-start=\"1858\" data-end=\"1915\"\u003eWaterproof surface allows watering without moving trays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1922\" data-end=\"1954\"\u003eBenefits of Using Heat Mats\u003c\/h2\u003e\n\u003cul data-start=\"1955\" data-end=\"2203\"\u003e\n\u003cli data-start=\"1955\" data-end=\"2005\"\u003e\n\u003cp data-start=\"1957\" data-end=\"2005\"\u003e✅ Germinate seeds \u003cstrong data-start=\"1975\" data-end=\"2003\"\u003efaster and more reliably\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2006\" data-end=\"2066\"\u003e\n\u003cp data-start=\"2008\" data-end=\"2066\"\u003e✅ Extend your season by starting crops earlier in spring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2067\" data-end=\"2143\"\u003e\n\u003cp data-start=\"2069\" data-end=\"2143\"\u003e✅ Increase propagation success for tomatoes, peppers, pumpkins, and more\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2144\" data-end=\"2203\"\u003e\n\u003cp data-start=\"2146\" data-end=\"2203\"\u003e✅ Perfect for microgreens and year-round indoor growing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2210\" data-end=\"2252\"\u003eOptimal Germination Temperatures (°F)\u003c\/h2\u003e\n\u003cul data-start=\"2253\" data-end=\"2465\"\u003e\n\u003cli data-start=\"2253\" data-end=\"2305\"\u003e\n\u003cp data-start=\"2255\" data-end=\"2305\"\u003e\u003ca href=\"https:\/\/pepperjoe.live\/collections\/tomato-seeds\" title=\"tomato seeds collection\" rel=\"noopener\" target=\"_blank\"\u003eTomatoes\u003c\/a\u003e, \u003ca href=\"https:\/\/pepperjoe.live\/collections\/all-pepper-seeds\" title=\"pepper seeds collection\" rel=\"noopener\" target=\"_blank\"\u003ePeppers\u003c\/a\u003e, Pumpkins, Squash: \u003cstrong data-start=\"2292\" data-end=\"2303\"\u003e85–95°F\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2306\" data-end=\"2361\"\u003e\n\u003cp data-start=\"2308\" data-end=\"2361\"\u003eCabbage, Broccoli, Cauliflower, Radish: \u003cstrong data-start=\"2348\" data-end=\"2359\"\u003e80–85°F\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2362\" data-end=\"2415\"\u003e\n\u003cp data-start=\"2364\" data-end=\"2415\"\u003eSpinach, Kale, Collards, Swiss Chard: \u003cstrong data-start=\"2402\" data-end=\"2413\"\u003e70–85°F\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2416\" data-end=\"2465\"\u003e\n\u003cp data-start=\"2418\" data-end=\"2465\"\u003eCarrots, Parsnips, Onions, Leeks: \u003cstrong data-start=\"2452\" data-end=\"2463\"\u003e65–75°F\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bootstrap Farmer","offers":[{"title":"Master","offer_id":43664581132330,"sku":"HeatMat_20x60_Master","price":142.99,"currency_code":"USD","in_stock":true},{"title":"Add-On (Master Needed)","offer_id":43664581165098,"sku":"HeatMat_20x60_Add_On","price":131.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/1060\/files\/commercial-seed-starting-heat-mat-sun-pad-pro.jpg?v=1760475208","url":"https:\/\/pepperjoe.live\/products\/commercial-heat-mat-master-add-on","provider":"Pepper Joe’s","version":"1.0","type":"link"}