{"product_id":"aquaneat-25w-mini-aquarium-heater-for-betta-tanks-preset-thermostat-thermometer","title":"AQUANEAT 25W Mini Aquarium Heater for Betta Tanks | Preset Thermostat + Thermometer","description":"\u003ch2\u003eCompact warmth for small tanks\u003c\/h2\u003e\n\u003cp\u003eThe AQUANEAT 25W heater is built for tight spaces, measuring about 4.5 inches in length. It fits comfortably in 3 to 5.5 gallon aquariums, helping Betta and other small tropical fish feel at home without crowding the viewing area or cluttering decor.\u003c\/p\u003e\n\u003ch3\u003eReady-to-use warmth with clear status\u003c\/h3\u003e\n\u003cp\u003ePre-set to 78°F, this heater offers ready-to-use warmth for common tropical species. Its plug-and-play design means you can place it in the tank and observe the environment without extra setup steps.\u003c\/p\u003e\n\u003cp\u003eDaily checks are simple with the indicator light—the lamp glows red when heating and turns green when resting. This quick feedback helps you stay aware of the current state without opening the tank or relying on a separate thermometer.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included and how it’s used\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x 25W small aquarium heater\u003c\/li\u003e\n\u003cli\u003e1x suction cup for secure mounting\u003c\/li\u003e\n\u003cli\u003e1x free thermometer strip to monitor temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eAlways keep the heater fully submerged before turning it on, and unplug before maintenance or removal. Allow at least 10 minutes for cooling if you ever need to remove it. Regular water checks and proper tank maintenance remain essential.\u003c\/p\u003e\n\u003ch3\u003eWhy this small heater fits your setup\u003c\/h3\u003e\n\u003cp\u003eIts compact profile minimizes disruption to tank aesthetics while delivering reliable, stable warmth for compatible species. While designed for small tanks, combining this heater with consistent water changes and monitoring supports a balanced 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 the AQUANEAT 25W heater suitable for small Betta tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s designed for 3–5.5 gallon tanks and arrives preset at 78°F for ready use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know when the heater is active?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The indicator light turns red during heating and green when resting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUANEAT","offers":[{"title":"Default Title","offer_id":53560816566601,"sku":"B0CCD6PX96","price":18.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/aquaneat-25w-heater-side-view.jpg?v=1766439841","url":"https:\/\/petvita.co.uk\/products\/aquaneat-25w-mini-aquarium-heater-for-betta-tanks-preset-thermostat-thermometer","provider":"Petvita","version":"1.0","type":"link"}