{"product_id":"hygger-etl-certified-aquarium-heater-100w-submersible-thermostat-with-digital-thermometer-dual-suction-cups","title":"Hygger ETL Certified Aquarium Heater 100W — Submersible Thermostat with Digital Thermometer \u0026 Dual Suction Cups","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDiscover the Hygger ETL Certified Aquarium Heater, a dependable submersible heating solution designed for both freshwater and saltwater tanks, including coral and reef setups. Available in multiple wattages with a 100W option, it combines safety-forward engineering with precise temperature monitoring to support healthy aquatic environments.\u003c\/p\u003e\n\u003cp\u003eThis heater emphasizes ease of use and durable construction, offering a practical balance of reliability, performance, and straightforward maintenance for hobbyists who value steady warmth without constant manual adjustment.\u003c\/p\u003e\n\n\u003ch3\u003eSafety and reliability\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eETL certification signals adherence to recognized safety standards for aquarium gear.\u003c\/li\u003e\n  \u003cli\u003eThickened quartz protective glass and a bottom protective cover guard against impact and wear.\u003c\/li\u003e\n  \u003cli\u003eStable suction cups and a double seal help secure mounting and minimize leakage risk.\u003c\/li\u003e\n  \u003cli\u003ePrecision welding and robust insulation design reduce the chance of insulation leakage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance for versatile tanks\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2mm thick glass tube improves heat conduction and reduces hot spots, suitable for both freshwater and saltwater use.\u003c\/li\u003e\n  \u003cli\u003eHigh-efficiency heating wires cover a large area to transfer heat evenly across the tank.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant construction supports longevity in reef and coral environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy control and precise monitoring\u003c\/h3\u003e\n\u003cp\u003eSet your target temperature within 68°F–92°F (20°C–33°C) by rotating the control knob. A temperature scale guide bar helps you keep track at a glance, and a working indicator light confirms when the unit is active.\u003c\/p\u003e\n\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eThe heater cycles on and off to maintain the chosen temperature, rather than remaining on continuously. This approach helps balance energy use with stable water conditions.\u003c\/p\u003e\n\n\u003ch3\u003eMonitoring at a glance\u003c\/h3\u003e\n\u003cp\u003eA high-precision thermometer displays temperature with 0.1°F resolution and covers 0°C–50°C (32°F–122°F), enabling quick awareness of small changes in water temperature.\u003c\/p\u003e\n\n\u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose the wattage to fit your tank size and inhabitants (fish, corals, invertebrates).\u003c\/li\u003e\n  \u003cli\u003eRegularly check suction cups for secure mounting, especially after water changes.\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 tanks is the Hygger ETL heater suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for freshwater and saltwater tanks, including coral and reef setups; choose wattage by tank size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the auto thermostat work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The heater cycles on and off to hold the set temperature, guided by a precise sensor and LED status indicator.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":57199808151929,"sku":"B0C61TLGJ9","price":29.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/hygger-etl-heater-digital-display-temperature-control.jpg?v=1777778884","url":"https:\/\/petlyvox.com\/products\/hygger-etl-certified-aquarium-heater-100w-submersible-thermostat-with-digital-thermometer-dual-suction-cups","provider":"petlyvox","version":"1.0","type":"link"}