FREESEA Aquarium Heater for Fish Tank: Stable Temperature Maintains 78°F | 100W Worry-Free Heating via Dry Run Protection for 10-20 gal Betta Turtle & Saltwater Tank - size: 100W(10-20 Gallon)
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.
Overview
Package Dimensions : 7.72 x 3.5 x 1.77 inches; 9.52 ounces
Item model number : FS01
Date First Available : October 14, 2025
Manufacturer : FREESEA
ASIN : B0FW47M366
Best Sellers Rank: #58,900 in Pet Supplies (See Top 100 in Pet Supplies)
#108 in Aquarium Heaters
