hygger 500W Aquarium Heater with Controller, Submersible Fish Tank Heater Intelligent Leaving Water Automatica Stop Heating and Overheat Protection,66-135 Gal Turtle Heaters for Freshwater Saltwater - size: S-500W for 66-135 Gallon

About this item

• Hidden Heating Element: With 500W of reliable heating power, this compact heater for fish tank measures just 9.1" x 3.0" x 1.4", designed to fit discreetly in aquariums from 66 to 135 gallons; Operating on AC 110–120V/60Hz, it includes a generous 10.8-foot power cord (5.9 ft + 4.9 ft extension) for easy placement; Select the proper wattage using our sizing chart to ensure safe and effective performance; Perfect as a dependable tank water heater, it delivers steady warmth for your fish tank
• Precise Temperature Control: Featuring a bright digital display, this water tank heater offers adjustable temperature settings from 59°F to 93°F with ±1°F/℃ accuracy, displaying both current and preset readings in ℃ or ℉;The fish heater automatically turns on when temperature drops 1°F below your set point and stops once reached, indicated by a clear red/blue light; Built-in memory retains settings after power loss, restoring your temperature automatically—no reset needed
• Newly Upgraded Quality:Equipped with two explosion-proof quartz glass tubes and high-temperature nickel-chromium heating wires, this turtle heater delivers rapid, even, and highly efficient warmth;Its durable, heat-resistant ABS housing and reliable controller ensure safe, stable performance; The heater activates automatically when temperature drops just 1°F below your setting, maintaining a consistent ideal habitat for turtles, fish, and plants—a reliable guardian for your aquatic ecosystem
• Dual Protection System: This aquarium heater features intelligent dual safeguards for reliable safety; If the heater for aquarium is exposed 2 inches above water, it instantly shuts off, displays "L1" with an alarm to prevent dry burning. Once resubmerged, it resumes automatically. If water temperature exceeds 95°F, it displays "HH" with an alert for quick response—effectively preventing overheating; Also functions reliably as a turtle heater in aquatic habitats
• Safety Precautions: Please ensure the fish tank water heater rod is fully submerged in water and use the two suction cups to mount it vertically or horizontally on the aquarium wall; Always unplug the power cord and allow the aquarium heater to cool for 15 minutes before changing the water or cleaning the tank; Place it in an area with good water circulation to minimize temperature variations

Overview

• Product Dimensions ‏: ‎ 9.1 x 3 x 1.4 inches; 2.14 pounds
• Date First Available ‏: ‎ January 12, 2026
• Manufacturer ‏: ‎ hygger
• ASIN ‏: ‎ B0GG8X795L
• Best Sellers Rank: #33,699 in Pet Supplies (See Top 100 in Pet Supplies) #50 in Aquarium Heaters
• Customer Reviews: 4.2 4.2 out of 5 stars (11)