{"product_id":"hygger-100w-small-submersible-aquarium-heater-for-10-20-gallon-tanks","title":"Hygger 100W Small Submersible Aquarium Heater for 10-20 Gallon Tanks","description":"\u003cdiv\u003e\n\u003ch2\u003eCompact, reliable warmth for 10-20 gallon tanks\u003c\/h2\u003e\n\u003cp\u003eThe Hygger Small Submersible Aquarium Heater is a purpose-built 100W solution that tucks neatly into tight spaces behind décor, filter, or rockwork. Its slim profile measures 4.3 inches long by 1.8 inches wide and 0.9 inch thick, so it sits discreetly in either freshwater or saltwater setups, including betta tanks, planted aquariums, and even turtle enclosures.\u003c\/p\u003e\n\u003cp\u003eActive temperature control is delivered via a clear LED display that shows real-time water temperature and the heater’s status. When the heater is actively warming, a red indicator glows; when the target temperature is reached, a green light signals readiness. This at-a-glance feedback can help you keep your tank on an intuitive schedule without guesswork.\u003c\/p\u003e\n\n\u003ch3\u003ePrecise control you can rely on\u003c\/h3\u003e\n\u003cp\u003eSet the temperature across a broad range of 59°F to 93°F (15°C to 34°C) in 1-degree increments. A memory function recalls the last setting, so power outages don’t force you to reconfigure the thermostat every time you flip the power back on. The external control makes adjustments convenient without wet hands.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eExternal control reduces handling in cold rooms or during winter maintenance\u003c\/li\u003e\n\u003cli\u003e1-degree step granularity helps you approach specific habitat targets\u003c\/li\u003e\n\u003cli\u003eLED readout provides instant visibility while monitoring water quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt with safety and durability in mind\u003c\/h3\u003e\n\u003cp\u003eDurability and safety are central to the design. The 100W heater uses a shatterproof quartz tube wrapped with mica plates and nickel wiring, housed in a high-impact plastic shell. A protective, two-suction cup mounting system keeps the unit in a stable position, and a rugged guard reduces accidental contact with the heater while fish, turtles, or invertebrates share the tank with you.\u003c\/p\u003e\n\n\u003cp\u003eSafety features include an automatic shut-off if the unit is not fully submerged, helping prevent overheating. If the display detects abnormal conditions, an error indicator can guide you to address the issue before it affects your livestock.\u003c\/p\u003e\n\n\u003ch3\u003eFlexible use and practical setups\u003c\/h3\u003e\n\u003cp\u003eWhether you maintain a freshwater community tank, a dedicated betta habitat, a planted tank, or a small saltwater reef, this heater adapts to your needs. Its compact footprint makes it easier to position near filter outlets, rocks, or décor without crowding the aquascape.\u003c\/p\u003e\n\n\u003cp\u003eWhat you get is a dependable heating companion that supports stable conditions for a range of species and setups. Always follow general aquarium care best practices, monitor water parameters regularly, and adjust the heater as your tank evolves.\u003c\/p\u003e\n\n\u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower: 100W\u003c\/li\u003e\n\u003cli\u003eTank compatibility: 10-20 gallons\u003c\/li\u003e\n\u003cli\u003eTemperature range: 59°F–93°F in 1° increments\u003c\/li\u003e\n\u003cli\u003eIndicators: red heating, green target reached\u003c\/li\u003e\n\u003cli\u003eSubmersion safety: automatic shut-off\u003c\/li\u003e\n\u003cli\u003eConstruction: shatterproof quartz tube, mica plates, nickel wire\u003c\/li\u003e\n\u003cli\u003eMounting: two strong suction cups, compact profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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 size is this heater best suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Best for 10-20 gallon freshwater or saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it remember the temperature after a power outage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The memory function recalls the last setting for quick recovery.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":53555574538569,"sku":"B0FC2DDDXC","price":33.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/hygger-small-submersible-heater-100w-front-view_jpg.jpg?v=1766356555","url":"https:\/\/petvita.co.uk\/products\/hygger-100w-small-submersible-aquarium-heater-for-10-20-gallon-tanks","provider":"Petvita","version":"1.0","type":"link"}