{"product_id":"b0fn7xcm6f","title":"UPETTOOLS Aquarium Heater 50W\/100W\/200W\/300W – Submersible Fish Tank Heater with Digital LED Display \u0026 External Controller, Dry-Run and Overheat Protection, for Freshwater, Saltwater, Reef Tanks","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAquarium Heater for 20–40 Gallon Tanks：Ideal for freshwater and saltwater aquariums, this 200-watt submersible heater maintains stable water temperature in tanks up to 40 gallons. Perfect for betta fish, shrimp, turtles, and tropical fish. Includes 5.35 ft power cord for flexible placement.\u003c\/li\u003e\n\u003cli\u003eIntelligent Error Code Display for Safety：Aquarium heater LED screen shows real-time alerts: E1 = heater is out of water (auto power-off), E2 = sensor open circuit, E3 = water temperature exceeds 95°F (35°C). These smart diagnostics help you respond quickly and protect your aquatic life.\u003c\/li\u003e\n\u003cli\u003eExternal Digital LED Controller with Clear Display：The external digital controller displays real-time water temperature in °F or °C (68–93°F \/ 20–34°C) via bright red LED digits. Mount it on the tank edge using the included bracket—adjust temperature without getting your hands wet.\u003c\/li\u003e\n\u003cli\u003eExplosion-Proof Quartz Glass Design：Constructed with thickened explosion-proof quartz glass and high-temperature resistant materials, this heater resists cracking and corrosion. The reinforced black ABS shell provides excellent insulation, protecting your hands and fish from burns.\u003c\/li\u003e\n\u003cli\u003eEasy Installation \u0026amp; Safe Use：Includes 3 strong suction cups and mounting bracket for secure installation on tank walls. Install vertically in fish tanks, horizontally in turtle tanks. Do not bury in substrate. Press and hold button 3 seconds to switch between °F\/°C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UPETTOOLS","offers":[{"title":"Default Title","offer_id":51211037835480,"sku":"B0FN7XCM6F","price":55.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/9890\/5816\/files\/61UBwVVwMVL._AC_SL1500.jpg?v=1765949135","url":"https:\/\/0w4cpd-be.myshopify.com\/products\/b0fn7xcm6f","provider":"The Living Pane","version":"1.0","type":"link"}