{"product_id":"freesea-aquarium-heater-submersible-100w-200w-300w-500w-for-10-20-gallon-tanks-with-over-temperature-and-off-water-protection","title":"FREESEA Aquarium Heater — Submersible 100W\/200W\/300W\/500W for 10-20 Gallon Tanks with Over-Temperature and Off-Water Protection","description":"\u003ch2\u003eMeet the FREESEA Aquarium Heater: Precision, Safety, and Convenience for Your Tank\u003c\/h2\u003e\n\u003cp\u003eDesigned for 10 to 20-gallon freshwater or saltwater setups, the FREESEA heater family offers versatile wattage options (100W, 200W, 300W, 500W) to match your tank’s needs. Its compact 8.3-inch body fits discreetly into most rigs, while the robust circuitry ensures stable warmth across daily cycles. A 6.6-foot cord provides generous reach for flexible placement, allowing you to position the heater where it’s most effective and least intrusive.\u003c\/p\u003e\n\u003cp\u003eBeyond simple warmth, this submersible heater emphasizes safety and reliability. It features a multi-layer protection system that guards against overheating and off-water exposure. If water level falls or the device encounters air, heating stops and an error code appears—helping you respond quickly without guesswork. This thoughtful protection helps maintain a calm, thriving environment for your aquatic inhabitants.\u003c\/p\u003e\n\u003ch3\u003eKey control at your fingertips\u003c\/h3\u003e\n\u003cp\u003eThe external digital LED controller makes temperature management straightforward and precise. You can set a target range from 64 °F to 95 °F, with an accuracy of ±1 °F. The LED display shows the current water temperature, the preset target, and a clear auto-off warning. No need to dip fingers into the tank—adjustments are quick, clean, and non-intrusive.\u003c\/p\u003e\n\u003ch3\u003eBuilt to last in diverse tanks\u003c\/h3\u003e\n\u003cp\u003eConstructed with explosion-proof quartz glass and a high-temperature-resistant nickel-chromium heating wire, the heater heats efficiently while staying rugged in high-usage environments. The PC housing resists heat and impact, delivering a safer option for households with active reef or community tanks. The result is dependable operation that supports a stable aquatic microclimate without drama.\u003c\/p\u003e\n\u003ch3\u003ePractical benefits for real-world setups\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety-first design:\u003c\/strong\u003e Overheat and off-water protection help prevent accidental overheating or dry-running scenarios.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConsistent warmth:\u003c\/strong\u003e Precise temperature control supports steady conditions for diverse species.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible placement:\u003c\/strong\u003e A long cord and compact form let you position the heater for optimal circulation and visibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Durable quartz glass and stout wiring minimize wear in busy tanks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport when you need it:\u003c\/strong\u003e 24-Hour professional after-sales service ensures help is available when you ask.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Suitable for both freshwater and saltwater aquariums within the 10–20 gallon range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear indicators:\u003c\/strong\u003e External LED controller keeps you informed without opening the tank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple maintenance:\u003c\/strong\u003e Submersible design simplifies setup and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your tank’s stability with a heater designed for ease, safety, and adaptability. Explore the available wattages to find the right fit for your specific volume and needs, then pair it with routine monitoring for a calmer, more predictable habitat.\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 size is this heater best for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 10–20 gallon tanks; choose wattage (100W–500W) to match your volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it shut off if the water runs dry?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes off-water and overheating protection and will display codes if issues arise.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FREESEA","offers":[{"title":"Default Title","offer_id":53555984564553,"sku":"B0DK1PN585","price":32.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/freesea-aquarium-heater-outer-housing.jpg?v=1766370128","url":"https:\/\/petvita.co.uk\/products\/freesea-aquarium-heater-submersible-100w-200w-300w-500w-for-10-20-gallon-tanks-with-over-temperature-and-off-water-protection","provider":"Petvita","version":"1.0","type":"link"}