{"product_id":"hygger-mini-submersible-heater-with-five-key-external-controller-78-94-f-for-small-freshwater-tanks","title":"Hygger Mini Submersible Heater with Five-Key External Controller — 78-94°F for Small Freshwater Tanks","description":"\u003ch3\u003eCompact warmth for small tanks\u003c\/h3\u003e\n\u003cp\u003eThe Hygger Mini Submersible Heater is crafted for tight spaces without sacrificing consistent warmth. Its slim profile supports installation either horizontally or vertically, making it a practical choice for nano tanks, small turtle habitats, and betta ecosystems. For best results, avoid placing the heater directly in sand and keep the water surface at least 2 inches above the unit to promote even heating and reduce splash risk.\u003c\/p\u003e\n\n\u003ch3\u003eFive-key external controller for precise temperature control\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFive preset temperatures: 78°F, 82°F, 86°F, 90°F, and 94°F.\u003c\/li\u003e\n  \u003cli\u003eSimple button-based adjustments let you reach the target temperature quickly.\u003c\/li\u003e\n  \u003cli\u003eLED indicators: red means heating is active; green shows constant temperature.\u003c\/li\u003e\n  \u003cli\u003eIdeal for freshwater tanks where stable warmth can help daily routines and comfortable viewing.\u003c\/li\u003e\n  \u003cli\u003eExternal control keeps the heater away from tank decorations while you fine-tune settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurable, safe construction designed for longevity\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel-chromium heating wire paired with quartz glass for efficient heat transfer.\u003c\/li\u003e\n  \u003cli\u003eStainless steel exterior with Teflon coating provides corrosion resistance and a safe touch.\u003c\/li\u003e\n  \u003cli\u003eEngineered to reduce overheating risks and promote steady operation in small tanks.\u003c\/li\u003e\n  \u003cli\u003eRugged, compact design helps protect delicate aquatic life during routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSmart thermostat, memory, and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eThe heater features an automatic constant-temperature function: it heats to the set point, then pauses when reached. A power-off memory function remembers your last settings after outages, so you don’t have to reset everything. It’s also straightforward to clean—the smooth exterior wipes down easily and there are no gaps where debris can hide. The 5.9-foot power cord adds flexible placement options, reducing the need to stretch cords across crowded setups.\u003c\/p\u003e\n\n\u003ch3\u003eTwo quick-use lists for choosing and caring\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSpace-saving design for compact tanks; supports a range of freshwater setups from shrimp to small betta tanks.\u003c\/li\u003e\n  \u003cli\u003eEasy temperature presets plus clear indicator lights simplify day-to-day use.\u003c\/li\u003e\n  \u003cli\u003eLow-maintenance cleaning and a long cord for flexible placement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePlace the heater so the water surface stays above it by at least 2 inches for safe operation.\u003c\/li\u003e\n  \u003cli\u003eAvoid sand contact and wipe the exterior regularly to maintain efficiency.\u003c\/li\u003e\n  \u003cli\u003eTake advantage of the memory function after power outages to resume your preferred temperature quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Mini Submersible Heater suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for small freshwater tanks, including turtle and betta setups, and nano aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the heater remember settings after a power outage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It features a power-off memory function to retain your selected temperature.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":57207973970297,"sku":"B0CJJ98FVF","price":24.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/hygger-mini-submersible-heater-front-view.jpg?v=1777877987","url":"https:\/\/petlyvox.com\/products\/hygger-mini-submersible-heater-with-five-key-external-controller-78-94-f-for-small-freshwater-tanks","provider":"petlyvox","version":"1.0","type":"link"}