{"product_id":"heat-pack-usb-c-temperature-controlled-heat-source","title":"Heat Pack USB-C Temperature Controlled Heat Source","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eHeat Pack Precision Seed Germination Heater\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHeat Pack Seed Germination Heater\u003c\/strong\u003e is a compact USB-C-powered heat source designed to provide adjustable warmth during seed germination. It forms the thermal core of the Seed Starter system and is designed to pair with compatible \u003cstrong\u003eSeed Starter silicone germination chambers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAn integrated temperature sensor monitors surrounding conditions and adjusts heat output to help maintain the selected setting. This gives growers greater control than relying only on room temperature or a standard, non-regulated heat mat.\u003c\/p\u003e\n\u003ch2\u003eAdjustable Temperature Control\u003c\/h2\u003e\n\u003cp\u003eHeat Pack allows the temperature to be adjusted from \u003cstrong\u003e20°C to 35°C in 1°C increments\u003c\/strong\u003e. The default setting is 27°C.\u003c\/p\u003e\n\u003cp\u003eThis adjustable range helps growers select a suitable temperature for different seed varieties. Germination requirements vary by species, so always follow the recommended temperature range for the seeds being started.\u003c\/p\u003e\n\u003cp\u003eExample temperature ranges include:\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003ePlant\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSuggested Germination Temperature\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTomatoes\u003c\/td\u003e\n\u003ctd\u003e24–29°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeppers\u003c\/td\u003e\n\u003ctd\u003e26–30°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasil\u003c\/td\u003e\n\u003ctd\u003e24–28°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLettuce\u003c\/td\u003e\n\u003ctd\u003e18–22°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHow the Heat Pack Works\u003c\/h2\u003e\n\u003cp\u003eThe Heat Pack contains an integrated temperature sensor that monitors the surrounding environment and regulates heat output.\u003c\/p\u003e\n\u003cp\u003eIts CNC-machined aluminum core distributes warmth across the heating surface, while the compatible silicone chamber helps retain warmth around the seed and reduce rapid temperature changes.\u003c\/p\u003e\n\u003cp\u003eWhen used together, the Heat Pack and silicone chamber support three important environmental factors involved in germination:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable temperature\u003c\/li\u003e\n\u003cli\u003eBalanced moisture\u003c\/li\u003e\n\u003cli\u003ePassive airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCNC-Machined Aluminum Heating Core\u003c\/h2\u003e\n\u003cp\u003eThe Heat Pack is manufactured from thermally conductive aluminum to distribute warmth efficiently across its surface.\u003c\/p\u003e\n\u003cp\u003eThe aluminum body is protected with an electrophoretic and powder-coated finish for durability during repeated use. The compact design delivers targeted warmth directly to the compatible germination chamber rather than heating a large propagation area.\u003c\/p\u003e\n\u003ch2\u003eUSB-C Powered Design\u003c\/h2\u003e\n\u003cp\u003eHeat Pack uses low-voltage USB-C power and can be connected to a compatible power adapter.\u003c\/p\u003e\n\u003cp\u003eFor recommended performance and product longevity, use the power supply specified in the product manual. The manufacturer currently recommends an \u003cstrong\u003eApple 5V\/20W USB-C power adapter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eDesigned for Seed Starter Silicone Chambers\u003c\/h2\u003e\n\u003cp\u003eHeat Pack is designed to fit compatible \u003cstrong\u003eSeed Starter silicone germination and propagation chambers\u003c\/strong\u003e, including the \u003cstrong\u003eSprout Silicone Seed Germination Chamber\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe silicone chamber surrounds the heating core and helps retain warmth while supporting moisture management and passive airflow. Its modular design allows the Heat Pack to be used with compatible chamber configurations as the Seed Starter system develops.\u003c\/p\u003e\n\u003cp\u003eFor a complete setup, explore the \u003cstrong\u003eSprout + Heat Pack Seed Germination Kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eAdjusting the Temperature\u003c\/h2\u003e\n\u003cp\u003eTo change the temperature:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePress the \u003cstrong\u003e+\u003c\/strong\u003e or \u003cstrong\u003e−\u003c\/strong\u003e button.\u003c\/li\u003e\n\u003cli\u003eEach press changes the setting by 1°C.\u003c\/li\u003e\n\u003cli\u003eThe indicator light flashes once after each adjustment.\u003c\/li\u003e\n\u003cli\u003eStop when the desired temperature is reached.\u003c\/li\u003e\n\u003cli\u003eThree flashes confirm that the setting has been saved.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eMemory Function\u003c\/h2\u003e\n\u003cp\u003eHeat Pack stores the most recently selected temperature.\u003c\/p\u003e\n\u003cp\u003eWhen power is disconnected and restored, the unit returns to the previous saved setting, reducing the need to reconfigure it after each power cycle.\u003c\/p\u003e\n\u003ch2\u003eResetting the Default Temperature\u003c\/h2\u003e\n\u003cp\u003eTo return the Heat Pack to its default setting of 27°C:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePress and hold the \u003cstrong\u003e+\u003c\/strong\u003e button for six seconds.\u003c\/li\u003e\n\u003cli\u003eRelease the button when the indicator light begins flashing rapidly.\u003c\/li\u003e\n\u003cli\u003eThree flashes confirm that the temperature has been reset.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eTo install the Heat Pack:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eInsert it into a compatible Seed Starter silicone chamber.\u003c\/li\u003e\n\u003cli\u003eConfirm that the unit is seated securely.\u003c\/li\u003e\n\u003cli\u003eAlign the USB-C opening in the chamber with the port on the Heat Pack.\u003c\/li\u003e\n\u003cli\u003eConnect the USB-C cable and compatible power adapter.\u003c\/li\u003e\n\u003cli\u003eConfirm that the indicator light illuminates.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe unit will begin warming toward the saved temperature setting.\u003c\/p\u003e\n\u003ch2\u003eCare and Safety\u003c\/h2\u003e\n\u003cp\u003eTo maintain the Heat Pack:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDo not submerge it in water.\u003c\/li\u003e\n\u003cli\u003eKeep the USB-C port, buttons, and indicator light dry.\u003c\/li\u003e\n\u003cli\u003eDisconnect the unit before cleaning.\u003c\/li\u003e\n\u003cli\u003eWipe it gently with a damp cloth when necessary.\u003c\/li\u003e\n\u003cli\u003eDo not use isopropyl alcohol or harsh chemical solvents.\u003c\/li\u003e\n\u003cli\u003eInspect the power cable and adapter before use.\u003c\/li\u003e\n\u003cli\u003eFollow the complete product manual and safety instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable seed germination heater\u003c\/li\u003e\n\u003cli\u003eTemperature range from 20°C to 35°C\u003c\/li\u003e\n\u003cli\u003e1°C temperature adjustments\u003c\/li\u003e\n\u003cli\u003eDefault setting of 27°C\u003c\/li\u003e\n\u003cli\u003eIntegrated temperature sensor\u003c\/li\u003e\n\u003cli\u003eCNC-machined aluminum heating core\u003c\/li\u003e\n\u003cli\u003eDurable protective finish\u003c\/li\u003e\n\u003cli\u003eUSB-C-powered operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in temperature memory\u003c\/li\u003e\n\u003cli\u003eCompatible with Seed Starter silicone chambers\u003c\/li\u003e\n\u003cli\u003eCompact and reusable design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeat Pack seed germination heater\u003c\/li\u003e\n\u003cli\u003eUSB-C power cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cp\u003eHeat Pack helps growers manage temperature, but germination results also depend on seed viability, storage, preparation, moisture, airflow, sanitation, and species-specific requirements.\u003c\/p\u003e\n\u003cp\u003eAlways review the \u003ca href=\"https:\/\/therootnerds.com\/pages\/heat-pack-manual\" title=\"Heat Pack USB-C product manual\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eHeat Pack Product Manual\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/therootnerds.com\/pages\/faq\" title=\"FAQ\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/a\u003e, and \u003ca href=\"https:\/\/therootnerds.com\/pages\/warranty\" title=\"Product warranty page\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/a\u003e before use.\u003c\/p\u003e\n\u003cp\u003ePaired with Seed Starter silicone chambers, Heat Pack forms the core of a modular germination system designed to support healthy seed development from the very first stage of the plant life cycle.\u003c\/p\u003e","brand":"Root Nerds","offers":[{"title":"Default Title","offer_id":44321707327601,"sku":"shopify_US_10246495600957_51440017801533","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0061\/1391\/9089\/files\/Heat_Pack_USB-C_Seed_Germination_Heater_Unplugged.png?v=1787682150","url":"https:\/\/www.groworganic.com\/products\/heat-pack-usb-c-temperature-controlled-heat-source","provider":"Grow Organic","version":"1.0","type":"link"}