Best Betta Temperature

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

NICREW Submersible Aquarium Mini Heater, Small Betta Fish Tank Heater with Electronic Thermostat, 15W

Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W

DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker, 1 Yr Warranty

Pawfly Submersible Aquarium Heater 25 W Betta Fish Tank Heater Adjustable Electronic Heating Rod with Thermostat Overheating Protection and Protective Cover for Fish Tanks up to 10 Gallons

Adjustable Mini Aquarium Heater 0.5-40 Gallon Submersible Small Fish Tank Heater Digital Display Thermostat External Temperature Controller 10W/20W/30W/25W/50W/100W/200W

Abhirsh Aquarium Heater 50 Watt - Reliable Fish Tank and Immersion Water Heater, Adjustable Temperature Submersible Thermostat Heater for 5-10 Gallon

Mini Reptile Terrarium Thermometer Hygrometer with Probe Reptile Thermometer and Humidity Gauge Digital Pet Thermometer with Fast Readout for Turtles Lizards Care Aquariums (Black)

NEPTONION Aquarium Thermometer LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature for fish and reptiles like Lizard and Turtle

Zoo Med Labs TH-31 Digital Thermometer Humidity Gauge