{"product_id":"hygger-submersible-aquarium-heater-100w-150w-200w-300w-with-external-controller-led-display-for-20-48-gallon-tanks","title":"Hygger Submersible Aquarium Heater — 100W\/150W\/200W\/300W with External Controller \u0026 LED Display for 20–48 Gallon Tanks","description":"\u003cp\u003eMeet a compact powerhouse from Hygger: the Submersible Aquarium Heater is designed for small tanks, delivering reliable warmth with a simple, user-friendly setup. Choose from 100W, 150W, 200W, or 300W to fit 20\/26\/40\/48 gallon aquariums. The external temperature controller keeps things safe and convenient, with a clear LED readout that shows both current and set temperatures.\u003c\/p\u003e\u003cp\u003eIn practice, you’ll notice the red heating indicator while the tank warms, followed by a steady green signal when the set temperature is reached. The heater’s internal design emphasizes efficient heat transfer and long-lasting durability, making it suitable for freshwater, saltwater, betta, and small pond environments.\u003c\/p\u003e\u003ch2\u003eWhat makes Hygger’s 100–300W heater stand out\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExternal temperature controller for safe, hands-free adjustments\u003c\/li\u003e\n\u003cli\u003eOut-of-water protection and fault indicators for safer operation\u003c\/li\u003e\n\u003cli\u003eOverheating protection with memory function to preserve last settings\u003c\/li\u003e\n\u003cli\u003eDurable quartz glass construction with efficient heating elements\u003c\/li\u003e\n\u003cli\u003eVersatile for freshwater, saltwater, and small tank setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePractical use and setup tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePosition the heater fully submerged and away from tank décor for even heat\u003c\/li\u003e\n\u003cli\u003eUse the size chart to pick the right wattage for your tank volume\u003c\/li\u003e\n\u003cli\u003eUtilize the external controller to adjust temperature without touching water\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith these features, you can enjoy steady, predictable warmth that supports healthy tank conditions without turning maintenance into guesswork. The Hygger heater is built to perform in a range of hobby scenarios, keeping your aquatic inhabitants comfortable and your setup simple.\u003c\/p\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 Heater suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Wattage options cover up to 20\/26\/40\/48 gallons; match to your tank size using the size chart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What safety features are built into the Hygger heater?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: External controller keeps hands dry, plus out-of-water protection, overheating shutoff, and memory of the last setting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":57201960583545,"sku":"B0CJJ48PLT","price":33.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/hygger-submersible-heater-100w-in-tank.jpg?v=1777812313","url":"https:\/\/petlyvox.com\/products\/hygger-submersible-aquarium-heater-100w-150w-200w-300w-with-external-controller-led-display-for-20-48-gallon-tanks","provider":"petlyvox","version":"1.0","type":"link"}