{"product_id":"precise-etl-certified-aquarium-heater-with-led-thermometer","title":"Precise ETL Certified Aquarium Heater with LED Thermometer","description":"\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\u003cp\u003eKeep your aquatic friends comfortable year-round with this ETL certified submersible heater that maintains perfect water temperature automatically. The built-in LED thermometer displays precise readings to 0.1°F, so you'll never wonder if your fish are happy.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eKeep reading for all the details.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThis professional-grade aquarium heater combines safety, precision, and reliability in one sleek package. The ETL certification ensures it meets strict safety standards, while the 2mm thick quartz glass tube provides superior heat distribution and durability. The temperature range spans 68°F to 93°F (20°C to 34°C), perfect for both freshwater and saltwater setups.\u003c\/p\u003e\u003cp\u003eThe included LED thermometer features a high-precision sensor that displays temperatures from 32°F to 122°F (0°C to 50°C) with incredible 0.1°F accuracy. Simply rotate the dial left or right to adjust your desired temperature, and the clear indicator light shows when it's actively heating.\u003c\/p\u003e\u003cp\u003eBuilt with anti-collision, explosion-proof materials, this heater works automatically - heating when water temperature drops below your setting, then shutting off when the target temperature is reached. The double suction cups keep it securely positioned in your tank.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eInteresting Points\u003c\/h3\u003e\u003ch4\u003eETL Safety Certified for Peace of Mind\u003c\/h4\u003e\u003cp\u003eThis isn't just any heater - it's ETL certified with multiple safety features including thickened quartz glass, bottom protective cover, and double sealing to prevent any leakage issues.\u003c\/p\u003e\u003ch4\u003eSmart Auto-Cycling Technology\u003c\/h4\u003e\u003cp\u003eUnlike basic heaters that run constantly, this one intelligently cycles on and off to maintain your exact temperature setting, which saves energy and prevents overheating.\u003c\/p\u003e\u003ch4\u003eProfessional-Grade Precision\u003c\/h4\u003e\u003cp\u003eThe LED thermometer reads to 0.1°F accuracy, so you'll catch even tiny temperature fluctuations that could stress your fish.\u003c\/p\u003e\u003ch4\u003eUniversal Tank Compatibility\u003c\/h4\u003e\u003cp\u003eWorks perfectly in both freshwater and saltwater environments, making it ideal for everything from betta bowls to coral reef tanks.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower: 200W\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 68°F - 93°F (20°C - 34°C)\u003c\/li\u003e\n\u003cli\u003eThermometer Range: 32°F - 122°F (0°C - 50°C)\u003c\/li\u003e\n\u003cli\u003eTemperature Accuracy: 0.1°F\u003c\/li\u003e\n\u003cli\u003eGlass Thickness: 2mm quartz glass\u003c\/li\u003e\n\u003cli\u003eCertification: ETL approved\u003c\/li\u003e\n\u003cli\u003eSuitable for: Freshwater and saltwater tanks\u003c\/li\u003e\n\u003cli\u003eMounting: Double suction cups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsage Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAllow heater to acclimate to water temperature for 15 minutes before plugging in\u003c\/li\u003e\n\u003cli\u003ePosition vertically or at 45-degree angle for optimal heat distribution\u003c\/li\u003e\n\u003cli\u003eCheck suction cup attachment periodically\u003c\/li\u003e\n\u003cli\u003eUnplug before performing tank maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Inclusion\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e200W submersible aquarium heater\u003c\/li\u003e\n\u003cli\u003eLED digital thermometer\u003c\/li\u003e\n\u003cli\u003eDouble suction cup mounting system\u003c\/li\u003e\n\u003cli\u003eUser manual with temperature guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eTransform your aquarium into a perfectly controlled aquatic paradise where your fish can thrive in consistently comfortable water temperatures, backed by professional-grade safety certification.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eShipping and Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed Shipping:\u003c\/strong\u003e 2–4 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e \u003ca rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline; font-weight: 600;\" href=\"https:\/\/www.tailrings.com\/blogs\/faqs\/shipping-and-returns#returns\" target=\"_blank\"\u003eReturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TailRings.com","offers":[{"title":"200W","offer_id":51264048398621,"sku":"B0C61WSZ12","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8052\/4317\/files\/black-aquarium-heater-digital-thermometer-display.jpg?v=1778299045","url":"https:\/\/www.tailrings.com\/products\/precise-etl-certified-aquarium-heater-with-led-thermometer","provider":"TailRings.com","version":"1.0","type":"link"}