{"product_id":"submersible-aquarium-heater-rod-adjustable-thermostat","title":"300W Submersible Aquarium Heater Rod | Adjustable Thermostat","description":"\n\u003ch2\u003eKeep Your Aquarium at the Perfect Temperature — Automatically\u003c\/h2\u003e\n\u003cp\u003eMaintain a stable, comfortable water environment for your fish, turtles, and aquatic life with this powerful \u003cstrong\u003esubmersible aquarium heater rod\u003c\/strong\u003e. Engineered for tanks ranging from 30 to 375 liters, this fully submersible thermostat heater automatically regulates water temperature so you never have to worry about dangerous fluctuations. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Temperature Range:\u003c\/strong\u003e Easily set the temperature anywhere from 20°C to 34°C (68°F to 93°F) using the clearly marked dial — ideal for tropical fish, tortoises, and other aquatic animals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Thermostat Control:\u003c\/strong\u003e The built-in thermostat automatically turns the heater on and off to maintain your chosen temperature, keeping water conditions consistent around the clock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Submersible \u0026amp; Waterproof:\u003c\/strong\u003e Double-insulated, waterproof construction means this rod can be fully submerged safely, providing even heat distribution throughout your tank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Indicator Light:\u003c\/strong\u003e A built-in LED power indicator lets you know at a glance when the heater is actively heating — no guesswork, just peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Compatible with 110–240V power supplies, making it suitable for use in North America, Europe, and beyond. Covers tanks from 30L to 375L.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Power Options:\u003c\/strong\u003e Available in 25W to 300W output options to match the size and needs of your specific aquarium setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built with long-lasting materials designed to withstand continuous submersion, ensuring a reliable and safe heating solution for your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eFish tanks \u0026amp; aquariums (fish, turtles, aquatic reptiles)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e25W – 300W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e110–240V (Universal)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20–34°C (68–93°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTank Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e30–375 Liters\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e195×25mm \/ 295×25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're a hobbyist maintaining a tropical freshwater aquarium, a reptile enthusiast keeping turtles in a heated enclosure, or a breeder managing multiple tanks, this adjustable heater rod gives you precise, reliable temperature control without constant monitoring.\u003c\/p\u003e\n\n\u003cp\u003eFor more guidance on setting up a healthy aquatic environment, visit the \u003ca href=\"https:\/\/www.fws.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Fish \u0026amp; Wildlife Service\u003c\/a\u003e for resources on responsible aquatic animal care.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size aquarium is this submersible heater rod suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This aquarium heater rod is designed for tanks ranging from 30 to 375 liters (approximately 8 to 99 gallons), depending on the wattage selected. Choose a higher wattage (e.g., 300W) for larger tanks and a lower wattage for smaller setups to ensure efficient and even heating.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this heater rod safe to leave on continuously?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The built-in automatic thermostat turns the heater on and off as needed to maintain your set temperature, making it safe and energy-efficient for 24\/7 use. The power indicator light lets you know when the element is actively heating, so you always have a clear visual status check.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this aquarium heater for turtles and reptiles, not just fish?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This submersible thermostat heater rod is well-suited for fishbowls, tropical fish tanks, turtle enclosures, and other aquatic reptile habitats. Its adjustable temperature range of 20–34°C (68–93°F) covers the needs of a wide variety of aquatic animals.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the heater work with both 110V and 240V outlets?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this heater rod supports a universal voltage range of 110–240V, making it compatible with standard power outlets in North America, Europe, Australia, and most other regions worldwide. No voltage converter is needed.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size aquarium is this submersible heater rod suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This aquarium heater rod is designed for tanks ranging from 30 to 375 liters (approximately 8 to 99 gallons), depending on the wattage selected. 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