{"product_id":"hygger-hg085-titanium-aquarium-heater-with-digital-controller","title":"Hygger HG085 Titanium Aquarium Heater with Digital Controller","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eMaintain a stable and reliable aquarium temperature with the Hygger HG085 Titanium Aquarium Heater. Designed for freshwater, saltwater, and reef aquariums, this durable heating system combines a corrosion-resistant titanium heating tube, external temperature probe, and easy-to-read digital controller.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe external controller allows you to monitor and adjust the temperature without placing your hands in the aquarium. Built-in calibration, temperature memory, and overheating protection provide additional control and protection for your fish, corals, and other aquatic livestock.\u003c\/p\u003e\n\u003cp\u003eAvailable in four wattages for aquariums ranging from approximately 15 to 80 gallons.\u003c\/p\u003e\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W:\u003c\/strong\u003e Recommended for 15–20 gallon aquariums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200W:\u003c\/strong\u003e Recommended for 30–40 gallon aquariums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300W:\u003c\/strong\u003e Recommended for 50–60 gallon aquariums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500W:\u003c\/strong\u003e Recommended for 70–80 gallon aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium recommendations are estimates. Proper heater sizing depends on aquarium volume, room temperature, desired water temperature, aquarium material, water movement, and whether the aquarium is covered.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTA2 aviation-grade titanium alloy heating tube\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater, saltwater, and reef aquariums\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant and durable construction\u003c\/li\u003e\n\u003cli\u003eExternal digital temperature controller\u003c\/li\u003e\n\u003cli\u003eSeparate temperature probe for accurate monitoring\u003c\/li\u003e\n\u003cli\u003eAdjustable temperature from 68°F to 90°F\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy within approximately 1°F\u003c\/li\u003e\n\u003cli\u003eTemperature calibration function\u003c\/li\u003e\n\u003cli\u003eMemory retains the selected setting following a power interruption\u003c\/li\u003e\n\u003cli\u003eAutomatic constant-temperature operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in overheating protection\u003c\/li\u003e\n\u003cli\u003eIP68 waterproof-rated heating element\u003c\/li\u003e\n\u003cli\u003eFast and stable heat transfer\u003c\/li\u003e\n\u003cli\u003eSuction-cup mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExternal Digital Controller\u003c\/h3\u003e\n\u003cp\u003eThe digital controller displays the aquarium’s current water temperature and allows the desired temperature to be adjusted without reaching into the aquarium.\u003c\/p\u003e\n\u003cp\u003eWhen the water temperature falls approximately 1–2°F below the selected setting, the heater automatically begins heating. Once the selected temperature is reached, the heater stops until additional heating is required.\u003c\/p\u003e\n\u003ch3\u003eTemperature Calibration\u003c\/h3\u003e\n\u003cp\u003eIf the controller reading differs from a trusted aquarium thermometer, the HG085 can be calibrated by pressing and holding the positive and negative buttons simultaneously for approximately five seconds.\u003c\/p\u003e\n\u003cp\u003eFor best results, verify the aquarium temperature using a separate, dependable thermometer.\u003c\/p\u003e\n\u003ch3\u003eOverheating Protection\u003c\/h3\u003e\n\u003cp\u003eIf the detected water temperature reaches approximately 95–97°F, the heater automatically stops heating and displays an E2 warning. Normal operation resumes after the temperature returns to the heater’s safe operating range.\u003c\/p\u003e\n\u003cp\u003eBuilt-in safety functions are not a substitute for regular monitoring or an independent aquarium temperature controller.\u003c\/p\u003e\n\u003ch3\u003eSize and Pricing\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"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\"\u003eWattage\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eRecommended Aquarium Size\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003ctd\u003e15–20 gallons\u003c\/td\u003e\n\u003ctd\u003e$41.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200W\u003c\/td\u003e\n\u003ctd\u003e30–40 gallons\u003c\/td\u003e\n\u003ctd\u003e$45.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e300W\u003c\/td\u003e\n\u003ctd\u003e50–60 gallons\u003c\/td\u003e\n\u003ctd\u003e$50.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003ctd\u003e70–80 gallons\u003c\/td\u003e\n\u003ctd\u003e$57.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHygger HG085 titanium heating element\u003c\/li\u003e\n\u003cli\u003eExternal digital controller\u003c\/li\u003e\n\u003cli\u003eTemperature probe\u003c\/li\u003e\n\u003cli\u003eSuction-cup mounting hardware\u003c\/li\u003e\n\u003cli\u003eUser instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Safety\u003c\/h3\u003e\n\u003cp\u003ePosition the heater in an area with consistent water circulation to distribute heat evenly throughout the aquarium. The heating element and temperature probe should remain fully submerged during operation.\u003c\/p\u003e\n\u003cp\u003eAlways unplug the heater before performing aquarium maintenance or removing it from the water. Allow the heating element to cool before handling. Never operate the heater outside of water.\u003c\/p\u003e\n\u003cp\u003eFor larger, valuable, or temperature-sensitive systems, consider using two appropriately sized heaters and an independent temperature controller to provide additional redundancy.\u003c\/p\u003e\n\u003ch3\u003eWhy Shop With Us\u003c\/h3\u003e\n\u003cp\u003eInfinity and Beyond Aquatics offers carefully selected aquarium equipment for freshwater, saltwater, and reef systems. If you need assistance selecting the appropriate heater size for your aquarium, knowledgeable support is available.\u003c\/p\u003e\n\u003ch3\u003eShipping Disclosure\u003c\/h3\u003e\n\u003cp\u003eThis product may be fulfilled directly by one of our authorized distribution partners. Processing and delivery times may vary depending on product availability, destination, and distributor schedules. Tracking information will be provided once available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuggested category:\u003c\/strong\u003e Heaters \u0026amp; Temperature Control → Aquarium Heaters\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping profile:\u003c\/strong\u003e Standard Shipping — $12.99\u003c\/p\u003e","brand":"VASCA","offers":[{"title":"100W – 15–20 Gallons","offer_id":53329618764085,"sku":"Hygger-Titanium-Heater-100W","price":41.99,"currency_code":"USD","in_stock":true},{"title":"200W – 30–40 Gallons","offer_id":53329618796853,"sku":"Hygger-Titanium-Heater-200","price":45.99,"currency_code":"USD","in_stock":true},{"title":"300W – 50–60 Gallons","offer_id":53329618829621,"sku":"Hygger-Titanium-Heater-300","price":50.99,"currency_code":"USD","in_stock":true},{"title":"500W – 70–80 Gallons","offer_id":53329618862389,"sku":"Hygger-Titanium-Heater-500","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/Screenshot2026-08-19at12.26.03AM.png?v=1787113583","url":"https:\/\/infinityandbeyondaquatics.com\/products\/hygger-hg085-titanium-aquarium-heater-with-digital-controller","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}