{"product_id":"300w-adjustable-knob-aquarium-heater-submersible-fish-tank-heater-with-digital-thermometer-for-saltwater-and","title":"300W Adjustable Knob Aquarium Heater Submersible Fish Tank Heater with Digital Thermometer for Saltwater and","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDaToo 300W Aquarium Heater: Are you still troubled by the inaccurate temperature control of the aquarium and the hassle of maintenance? DaToo heater comes with a separate digital thermometer and is designed for 50-70 gallon tanks. It precisely controls the temperature and offers dual monitoring, effectively solving the problems in breeding. It is easy for beginners to operate, significantly improving the stability of use, and makes temperature control worry-free and maintenance more efficient.\u003c\/li\u003e\n\u003cli\u003ePrecise Smart Temperature Control: The top knob can adjust the water temperature from 65–89°F. A smart sensor chip ensures precise temperature regulation; a red light indicates that the unit is heating, and when the light turns off, the set temperature has been reached. No frequent calibration is required, and the water temperature is stable in real time, providing an ideal environment for aquatic life such as fish, turtles, and shrimp, thereby reducing stress and the incidence of disease.\u003c\/li\u003e\n\u003cli\u003eSafe and Durable: The DaToo fish tank heater utilizing high-quality nickel-chromium heating wire and thickened glass tube, it is corrosion-resistant and impact-resistant, suitable for freshwater, seawater, turtle tanks and betta fish tanks. Configuration: 3.94ft extended power cord, allowing flexible wiring and meeting various placement requirements. The double suction cups provide stable fixation, are easy to install, durable and long-lasting, and offer better value for money.\u003c\/li\u003e\n\u003cli\u003eEasy Operation + Dual Monitoring: The DaToo knob-type aquarium heater. Before powering on, simply rotate the knob to set the target temperature, then use the included suction cup to securely attach it to the tank wall, and it will start working automatically. Combined with an independent digital thermometer that displays the water temperature in real time, achieving dual monitoring of heating and temperature measurement. The change in water temperature is clearly visible.\u003c\/li\u003e\n\u003cli\u003eSafety Instructions \u0026amp; One-Year Warranty: When using, make sure the heater is fully submerged in water and the power plug is above the water surface. Before removing, allow it to cool for 15 minutes. Do not touch the hot glass tube. It is recommended to use a water pump or filter to maintain water circulation to ensure more uniform heating and stable temperature. We offer one-year warranty and 24-hour professional customer service. Buy with confidence!\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Best fish tank heater with digital thermometer for Your NeedsSpecification:Rated power:300WRated voltage: AC 110~120V\/60HzCable Length: 3.94 ftHeater Adjustable Temperature Range: 65-89°F (18-32°C)Thermometer temperature Range: -58°F to +158°F (-50°C to +70°C)Temperature Measurement Accuracy: ±1°CHeater Mounting Method: 2 Strong Suction CupsDigital Thermometer Accessories: 2* Pack Suction Cup, 1* LR44 batteriesApplicable Tank Size: 50-70 Gallon Saltwater and Freshwater Fish TanksFeatures:- Precise Smart Temperature Control- Safe and Durable- Easy Operation- Dual Monitoring- Safety Instructions- One-Year WarrantyNote: Simply immerse the thermometer probe in the water; do not immerse the entire thermometer.Why I chose DaToo Knob-Style Fish Tank Heater ?1. Precise Smart Temperature Control: The top knob can adjust the water temperature from 65–89°F. A smart sensor chip ensures precise temperature regulation; a red light indicates that the unit is heating, and when the light turns off, the set temperature has been reached. 2.Safe and Durable: Utilizing high-quality nickel-chromium heating wire and thickened glass tube, it is corrosion-resistant and impact-resistant, comes with a CE\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43250794168529,"sku":"BW-B0GYS4RWPK","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/51Srt1P0fpL._AC_SL1000.jpg?v=1786982646","url":"https:\/\/belmontwarehouse.com\/products\/300w-adjustable-knob-aquarium-heater-submersible-fish-tank-heater-with-digital-thermometer-for-saltwater-and","provider":"Belmont Warehouse","version":"1.0","type":"link"}