Built-In Safety Protection System: Automatically shuts off when out of water or overheating, with audible alarms that prompt you to check tank conditions and heater status before issues become serious
Intelligent Dual-Probe Control System: Two independent sensors provide real-time temperature monitoring for stable, consistent heating. Choose PRECISE Mode for tighter control (ideal for sensitive fish) or ECO Mode to save energy. Memory function restores settings after power outages
Precise Temperature Control, accurate to 0.1°F, with a setting range from 59°F to 93°F, adjustable in 0.5°F increments. It's ideal for sensitive aquatic species such as betta, guppy, discus, shrimp, and turtle to maintain a stable environment
Convenient External Controller: Easily adjust settings without putting your hands in the water. A built-in child lock helps prevent accidental changes, making operation safer and more convenient
Shell-Free Quartz Design: Built with a smooth quartz glass heating tube and no protective shell, creating a cleaner, fish-friendly profile. The compact 5.9" design fits discreetly in 10–20 gallon freshwater or saltwater aquariums
Overview
Package Dimensions : 6.69 x 3.74 x 3.31 inches; 13.44 ounces
Item model number : hg319
Date First Available : April 24, 2026
Manufacturer : hygger
ASIN : B0GYCQJZ66
Best Sellers Rank: #26,199 in Pet Supplies (See Top 100 in Pet Supplies)
#37 in Aquarium Heaters
