10 bestSmall Heater For Betta Tankof November 2025
112M consumers helped this year.
27% off
1
Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 100 W, for aquariums up to 90 litres,Black
Interpet
9.9
2
HITOP HP-608 Submersible Aquarium Heater 25W 50W With Thermometer and Extra Sucker Cup (50W)
HITOP
9.8
5% off
3
Aqua One Betta Oasis 13L Aquarium with LED, Heater and Filter. 31x20x26cm
Aqua One
9.6
4
hygger Mini Aquarium Heater, Small Submersible Aquarium Heater 100W Mini Betta Tank Heater with Thermostat &Explosion-Proof for Saltwater Freshwater 38-76L
hygger
9.4
5
PYPABL 25W 50W 100W 300W Aquarium Heater, Submersible Glass Heater for 5L-300Litres Fish and Turtle Tank (50W for 15-55L)
PYPABL
9.1
Other
Bonlux 100W Aquarium Heater, Small Fish Tank Heater for Tropical, Submersible Turtle Tank Heater with Over-Temperature Protection for 50-70Litre Betta Fish Tank, Saltwater and Freshwater
ITIY Mini Fish tank heater 75W, Small Aquarium Heater with 2 Suction Cups Temperature Control for 40-50L Marine Saltwater and Freshwater
JBA Submersible Aquarium Heater 25W/50W/100W/200W/300W Fish Tank Thermostat- UK PLUG (25W)
Sgizoku 50W Aquarium Heater,Mini Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water - Use for Saltwater and Freshwater Aquarium
6
hygger Small Aquarium Heater, 25W Submersible Betta Fish Tank Heater with Digital Display External Controller, Turtle Tank Heater Suitable for Freshwater up to 20L Tanks
hygger
8.9
7
FEDOUR Mini Aquarium Heater 50W 100W, Submersible Fish Tank Heater with Thermometer, Shatterproof Heater for Saltwater and Fresh Water, Betta Heater (100W)
FEDOUR
8.7
8
ONLYSTAR Submersible Aquarium Heater ， Digital LED Display ，for Tropical Fish/Freshwater Fish/Betta Fish/Turtle，Shatterproof Heater， Fish Tank Thermostat- UK PLUG With Extra Sucker Cup (150W)
ONLYSTAR
8.4
9
hygger Submersible Digital Aquarium Heater 50W, Betta Fish Tank Turtle Tank Heater with Intelligent LED Temperature, Thermometer and External Adjustable Temperature Controller for 3.7-24 Liter
hygger
8.1
10
hygger Small Submersible Aquarium Heater,Mini Betta Turtle Tank Heater with Digital Display Controller,20W Fish Tank Heater Suitable for 3-19L Freshwater Tanks
hygger
7.9
Related Reviews You Might Like
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy