FREESEA Aquarium Heater for Fish Tank: 100W Small Submersible Thermostat with Off-Water Protection & UL Certified Cord for 10-20 Gallon Fish Turtle Tanks Enthusiasts

About this item

• Tropical Fish & Betta Keepers: Worried about sudden temperature drops in your 10-20 gallon tank stressing or even harming your fragile aquatic pets? Our preset 78°F thermostat maintains a safe, stable paradise.
• From Temperature Swings to Precision Stability: Erratic fluctuations cause stress and illness → Preset thermostat & accurate thermometer maintain perfect warmth for active, healthy fish.
• From Anxiety to Peace of Mind: Stop constantly worrying and checking the tank. Our heater with advanced Off-Water Protection automatically shuts off for safety, giving you confidence and allowing you to simply enjoy the beauty of your aquarium.
• Ideal for a wide range of setups: Betta bowls, nano shrimp tanks, desktop aquariums in offices, or hospital tanks for sick fish. Its compact, fully submersible design fits discreetly in any small aquatic environment.
• Certified Safe & Reliable: Backed by UL/SGS certification and crafted with shatterproof quartz glass. A proven choice trusted by thousands of aquarists.