{"product_id":"hygger-submersible-aquarium-heater-100w-300w-with-external-controller-led-display","title":"hygger Submersible Aquarium Heater - 100W-300W with External Controller \u0026 LED Display","description":"\u003ch2\u003eReliable heating for freshwater and saltwater tanks\u003c\/h2\u003e\n\u003cp\u003eThe hygger Submersible Aquarium Heater is designed for dependable, adjustable warmth in small to mid-size tanks. Available in 100W, 150W, 200W and 300W, it covers tanks from roughly 20 to 48 gallons, depending on the model. The compact length (about 9.69 inches for the stronger model) makes it easier to position without crowding your decor. Use the wattage recommended in our size chart to balance energy use and heat distribution.\u003c\/p\u003e\n\u003cp\u003eOperating with an external temperature controller, you can set a target temperature without reaching into the water. The controller also displays both the current water temperature and the set temperature, helping you monitor conditions at a glance. With simple two-button control, fine-tuning the heat becomes straightforward during routine maintenance or after water changes.\u003c\/p\u003e\n\u003cp\u003eSafety and reliability are built in. The heater includes out-of-water protection that stops heating if the unit is not fully immersed, and a fault indicator on the controller to alert you if there’s an issue. An overheating safeguard shuts the heater off when temperatures rise too high, and the last setting is preserved so you can resume quickly after power interruptions.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding environments, the heater uses a durable quartz glass body and a heat-conducting assembly engineered for efficient energy use. The compact, rugged design helps it stand up to daily aquarium routines, whether you’re caring for a Betta, a community tank, or a nano reef setup. These features come together to offer flexible, responsive heating that can help you maintain stable conditions for your aquatic life.\u003c\/p\u003e\n\u003cp\u003ePractical tips for best results: pair the heater with the appropriate external controller, monitor during first days of use, and choose a wattage according to your tank size. The setup is compatible with both freshwater and marine environments, and is suitable for species that appreciate stable temperatures. While outcomes vary, the right heating strategy can support consistent, comfortable conditions for your fish, plants, and invertebrates.\u003c\/p\u003e\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cp\u003eEach model arrives with the heater and controller, designed for easy adaptation to your tank’s setup and routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExternal temperature controller for safe adjustment outside water\u003c\/li\u003e\n\u003cli\u003eLED temperature display to monitor current and set values\u003c\/li\u003e\n\u003cli\u003eOut-of-water protection to prevent heating when not fully immersed\u003c\/li\u003e\n\u003cli\u003eOverheat protection and memory function for quick resuming after power loss\u003c\/li\u003e\n\u003cli\u003eDurable quartz glass construction for long-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for freshwater and saltwater tanks\u003c\/li\u003e\n\u003cli\u003eSuitable for betta tanks, community tanks, and small ponds\u003c\/li\u003e\n\u003cli\u003eQuiet operation and simple maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tank sizes is the hygger Submersible Aquarium Heater suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Available in 100W, 150W, 200W, and 300W; choose wattage based on tank size per our chart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the external temperature controller work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mount outside the tank; set the target temp and monitor current temp on the display.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":40564588118145,"sku":"B0CJJ4LDVG","price":74.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/hygger-aquarium-heater-front-view_57025baf-7436-4f84-98bd-f246e9012cf7.jpg?v=1765935099","url":"https:\/\/petiva.ca\/products\/hygger-submersible-aquarium-heater-100w-300w-with-external-controller-led-display","provider":"Petiva","version":"1.0","type":"link"}