{"product_id":"aquasmith-aquarium-heater-submersible-50w-500w-with-led-controller-over-temp-protection","title":"AQUASMITH Aquarium Heater — Submersible 50W-500W with LED Controller \u0026 Over-Temp Protection","description":"\u003ch2\u003ePrecision and simplicity: AQUASMITH Aquarium Heater\u003c\/h2\u003e\n\u003cp\u003eDesigned for compact tanks, the AQUASMITH heater blends a slim external controller with a submersible heating rod. The 50W variant is ideal for small setups up to roughly 4 gallons, including turtle habitats, while larger wattages scale to bigger tanks. The unit’s low-profile design makes it easy to tuck away behind decor, keeping your tank visually clean.\u003c\/p\u003e\n\u003cp\u003eReal-time temperature management is at your fingertips with the external LED controller. You can observe the current water temperature at a glance and adjust within a broad range to suit your aquatic residents. Temperature is adjustable from 59°F to 93°F, with an accuracy of ±0.5°F, helping you approach a stable warmth without overshoot.\u003c\/p\u003e\n\u003cp\u003eSafety and reliability are built in. If the water level drops and the heater becomes partially exposed, or if the set limit is exceeded, the system automatically shuts off to protect the inhabitants. The controller displays an error code to guide setup and troubleshooting.\u003c\/p\u003e\n\u003cp\u003eConstruction and durability: the heating element uses a nickel-chromium wire, housed in a quartz tube filled with emery. This combination delivers good thermal conductivity, fast heat-up, and resistance to corrosion, making it suitable for both freshwater and seawater environments. The design is compact, easy to hide behind décor, and paired with a long 70-inch power cable for flexible placement.\u003c\/p\u003e\n\u003cp\u003eWhat you get and support: AQUASMITH offers not only a stable heater but also thoughtful after-sales service. If a quality issue arises within one year, you can request a free return or exchange. Our team is ready to assist with setup and any questions that come up after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReal-time temperature display on the external LED controller for quick checks\u003c\/li\u003e\n  \u003cli\u003eAdjustable range from 59°F to 93°F with ±0.5°F accuracy\u003c\/li\u003e\n  \u003cli\u003eAutomatic safety shutdown for over-temperature or low-water situations\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant nickel-chromium heating element and durable quartz tube\u003c\/li\u003e\n  \u003cli\u003eSuitable for freshwater and saltwater tanks; compact and easy to hide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003e70-inch cable provides flexible placement and discreet setup\u003c\/li\u003e\n  \u003cli\u003eAvailable in 50W–500W variants to match tank size and needs\u003c\/li\u003e\n  \u003cli\u003eOne-year return and exchange policy with responsive after-sales support\u003c\/li\u003e\n  \u003cli\u003eDesigned for quiet operation and reliable warmth in mini reef or turtle habitats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn real-world use, this heater supports steady warmth for micro-aquariums, hatchling tanks, or small community tanks where precise control matters. While not a guarantee, many hobbyists report smoother temperature trends and less daily adjustment with a dedicated heater that pairs with a clear display and protective features.\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: What tank sizes is the AQUASMITH Aquarium Heater designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 50W model fits tanks up to about 4 gallons; other wattages cover larger small tanks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What safety features does this heater have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Over-temperature protection with automatic shutdown and low-water detection help safeguard aquatic life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUASMITH","offers":[{"title":"Default Title","offer_id":53550132363593,"sku":"B0DCBCKWBR","price":37.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/aquasmith-aquarium-heater-compact-body.jpg?v=1766230183","url":"https:\/\/petvita.co.uk\/products\/aquasmith-aquarium-heater-submersible-50w-500w-with-led-controller-over-temp-protection","provider":"Petvita","version":"1.0","type":"link"}