Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 150W with External Temperature Controller, Digital Display, for 5/10/20/30 Gallons (25W)

Product description

This PremToytics compact size Aquarium Heater is designed specifically for compact aquatic environments, offers convenient operation and energy efficiency, allowing you to maintain optimal water temperature for your small fish, shrimp, or aquatic plants.

CAUTIONS

1, Do not plug the device into a outlet before placing it in water

2, Unplug the power and cool down the heater for 10-20 minutes before taking it out to clean the fish tanks or change the water.

3, Place the heater in the way of water flow and don’t bury it

Whether you’re setting up a desktop betta tank, a shrimp breeding station, or a small planted aquarium, this mini heater delivers reliable performance in a space-saving package

Package Dimensions ‏ : ‎ 5.94 x 4.17 x 2.05 inches; 9.14 ounces
Item model number ‏ : ‎ SC-06
Date First Available ‏ : ‎ December 25, 2025
Manufacturer ‏ : ‎ PremToytics
ASIN ‏ : ‎ B0GCKDLQV7
Best Sellers Rank: #93,629 in Pet Supplies (See Top 100 in Pet Supplies) #198 in Aquarium Heaters
Compact Size: These small aquarium heater series are designed specifically for tank sizes from 1 to 10 gallons based on power ratings, Mini design is ideal for smaller aquariums and tight spaces, providing powerful heating without taking up excessive room in your tank, suitable for seawater and freshwater heating
Adjustable Temperature Control: Features an easy-to-use external digital temperature controller with display that allows precise adjustment to maintain optimal water temperature for your aquatic pets. Temperature can be accurately adjusted from 64 to 93°F
Automatic Temperature Control: Heating automatically stops when the set temperature is reached and maintains a constant temperature with 1°F accuracy. The heater will retain the settings, eliminating the need to reset it after power loss
Overheating Protection: The power will be cut off and stop heating automatically if the heater overheating. Protect your fish. Never cook your fish
Cautions: The heater must be 100% submerged into the water before plug in the power. Unplug the power and wait 10-20 minutes to cool down the heater before taking it out to clean the fish tanks or change the water