{"product_id":"mantamaze-aquarium-heater-300w-1000w-for-20-300-gal-auto-shutoff-overheating-protection","title":"MantaMaze Aquarium Heater 300W-1000W for 20-300 Gal | Auto Shutoff \u0026 Overheating Protection","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the MantaMaze Aquarium Heater, a versatile submersible heating solution designed for stability and safety across freshwater and saltwater tanks. Available in multiple wattages, it helps you tailor heating to your tank size (20–300 gallons) without guesswork, supporting calm, consistent aquatic environments for your fish and plants.\u003c\/p\u003e\n\n\u003ch3\u003eSmart, durable heating performance\u003c\/h3\u003e\n\u003cp\u003eBuilt with two rugged heating tubes crafted from explosion-proof quartz glass and high-temperature nickel-chrome wires, this heater distributes warmth evenly for reliable temperature maintenance. The outer shell uses flame-retardant plastic that resists corrosion and heat, while keeping curious fish from touching exposed components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEven heat distribution reduces hotspots and temperature swings.\u003c\/li\u003e\n  \u003cli\u003eDurable, corrosion-resistant housing protects both unit and tank inhabitants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProactive safety you can rely on\u003c\/h3\u003e\n\u003cp\u003eSmart safety features help prevent overheating: the unit automatically cuts power if water temperature climbs beyond 94°F or if the top of the heater rises above the water. An error code and audible alert guide you back to safe conditions until normalcy returns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAuto shut-off minimizes overheating risk.\u003c\/li\u003e\n  \u003cli\u003eClear alerts and error codes simplify troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExternal control for simple, hands-free tuning\u003c\/h3\u003e\n\u003cp\u003eControl is easy with the external digital controller. It shows the current water temperature and the preset target, so you can fine-tune without wet hands. LED indicators differentiate active heating from when the set temperature is reached.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e63–94°F (19–34°C) adjustable range with simple +\/- controls.\u003c\/li\u003e\n  \u003cli\u003eMemory function retains the previous setting after power interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWide compatibility and easy installation\u003c\/h3\u003e\n\u003cp\u003eChoose the appropriate wattage to fit your tank, from 20 to 300 gallons. The heater is suitable for freshwater, saltwater, and even turtle tanks. It installs along the tank wall using the included suction cups to preserve your aquarium’s aesthetics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlexible sizing helps you select the right heater for your setup.\u003c\/li\u003e\n  \u003cli\u003eMinimal decoration disruption during mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cp\u003eWhether you maintain a planted freshwater community or a mixed-species saltwater setup, stable, reliable warmth supports typical daily routines and healthier behavior in many species. Individual results vary by tank and inhabitants, and this heater presents a practical pathway toward consistent temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you get and care tips\u003c\/h3\u003e\n\u003cp\u003eEach unit ships with the heater, suction cups, and the external controller. For best results, place the heater away from direct heat sources and inspect the cord periodically. Routine checks help ensure continued performance and safety.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep the heater fully submerged during operation.\u003c\/li\u003e\n  \u003cli\u003eRegularly inspect for wear and ensure the suction cups hold securely.\u003c\/li\u003e\n\u003c\/ul\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 MantaMaze Aquarium Heater suitable for both freshwater and saltwater tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is designed for use in freshwater and saltwater setups across a wide tank range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the external controller help manage temperature?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The LED controller displays current and set temps, and alerts, so you can adjust without wet hands.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MantaMaze","offers":[{"title":"Default Title","offer_id":53551481094473,"sku":"B0D3GKRVYX","price":80.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/mantamaze-aquarium-heater-front-view.jpg?v=1766248603","url":"https:\/\/petvita.co.uk\/products\/mantamaze-aquarium-heater-300w-1000w-for-20-300-gal-auto-shutoff-overheating-protection","provider":"Petvita","version":"1.0","type":"link"}