{"product_id":"hygger-25w-small-submersible-aquarium-heater-for-2-5-gallon-tanks-led-display-adjustable-temp","title":"hygger 25W Small Submersible Aquarium Heater for 2-5 Gallon Tanks | LED Display \u0026 Adjustable Temp","description":"\u003ch2\u003eSmall but mighty: hygger 25W submersible heater for nano tanks\u003c\/h2\u003e\n\u003cp\u003eDesigned for 2-5 gallon freshwater, saltwater, and planted setups, the hygger 25W heater slips into tight spaces without stealing the spotlight. Its slim profile (about 4.3 inches long and 0.9 inches wide) lets you tuck it behind filters, wood, or rockwork, while two sturdy suction cups keep it securely in place in compact aquariums—perfect for bettas, shrimp, and nano ecosystems where space is at a premium.\u003c\/p\u003e\n\u003ch3\u003eCrystal-clear temperature control you can trust\u003c\/h3\u003e\n\u003cp\u003eThe built-in LED display provides at-a-glance temperature feedback with a simple red when heating and green when the target is reached. An external control lets you adjust the temperature without wet hands, making seasonal tweaks smoother and more convenient in winter or when balancing a mixed community tank.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide, precise range: 59°F–93°F in 1-degree steps for both freshwater and saltwater setups, including reefs.\u003c\/li\u003e\n\u003cli\u003eMemory function remembers last setting after power interruptions, saving you from re-programming.\u003c\/li\u003e\n\u003cli\u003eEasy external adjustment for quick temperature tweaks without opening the tank.\u003c\/li\u003e\n\u003cli\u003eSafety shut-off if not fully submerged, plus a flashing error code for quick troubleshooting.\u003c\/li\u003e\n\u003cli\u003eDurable build: shatterproof guard, quartz tube, mica plates, and nickel-wire heating elements endure daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafe, reliable warmth for a variety of tiny ecosystems\u003c\/h3\u003e\n\u003cp\u003eBuilt for compact tanks, this heater supports 2-5 gallon freshwater, saltwater, and planted tanks, as well as betta tanks and small turtle enclosures. The rugged outer housing pairs with a protective barrier to minimize direct contact with inhabitants while delivering steady warmth that supports a healthy micro-ecosystem.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for 2-5 gallon regimes, including betta and nano-reef applications.\u003c\/li\u003e\n\u003cli\u003eQuiet operation and low profile help preserve your tank’s aesthetics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world usage: what you can expect\u003c\/h3\u003e\n\u003cp\u003eIn apartments, dorms, or offices, the compact form keeps the heater out of sight while maintaining a stable environment. The memory function is helpful after brief outages, letting your tank quickly return to its target temperature. For hobbyists maintaining coral-friendly nano tanks or wintering tropical fish, this heater offers a practical, non-intrusive way to support temperature stability as ambient room temps fluctuate.\u003c\/p\u003e\n\u003cp\u003eNote: This device is designed to help maintain stable temperatures as part of a complete aquarium setup. Results vary with tank design and environment.\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: Is this heater suitable for 2-5 gallon tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's designed for 2-5 gallon freshwater or saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it remember my temperature after a power outage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the memory function recalls the last set temperature.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":53555571753289,"sku":"B0BGPSMB9G","price":32.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/hygger-25w-small-submersible-heater-compact-design.jpg?v=1766356420","url":"https:\/\/petvita.co.uk\/products\/hygger-25w-small-submersible-aquarium-heater-for-2-5-gallon-tanks-led-display-adjustable-temp","provider":"Petvita","version":"1.0","type":"link"}