Zoo Med BettaTherm Mini Beta Bowl Aquarium Heater

Zoo Med BettaTherm Mini Size Betta Bowl Heater is a completely submersible heater designed specifically for betta and small fish bowls. Zoo Med Aquarium Heater raises the water temperature by 5-10°F above ambient room temperature, creating a more stable and comfortable environment for bettas. The heater features a thermal shut-off at 26°C to prevent overheating, and it can be buried under gravel for discreet installation. It fits most glass and acrylic fish bowls, providing reliable aquarium lighting supply and consistent heating for small aquatic habitats.

Materials used

• Plastic for heater casing and components.

• Always monitor aquarium temperature regularly to avoid overheating, which can harm your betta fish.
• The heater shuts off automatically to prevent overheating, but manual vigilance is recommended.
• Do not use the heater outside the water or expose it to air while it is powered on.
• Keep the heater clean and inspect it regularly for damages or malfunctions.
• Follow manufacturer instructions closely and unplug the heater when performing water changes or maintenance.

• Submerge the BettaTherm Mini Size Betta Bowl Heater completely in the water; it can be buried under gravel at the bottom of the tank or bowl.
• Plug in the heater and allow it to increase the water temperature by 5-10°F above ambient room temperature.
• Monitor water temperature with an aquarium thermometer to ensure it stays within the ideal range for bettas 
• Unplug the heater if the water temperature exceeds the desired level to prevent overheating
• Compatible with both glass and acrylic tanks or bowls