![Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet](https://m.media-amazon.com/images/I/511dWQRA8BL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet
![Help. So this is the second digital thermometer I've bought that says my tank is at 90F degrees. My top fin one has always said my temp is around 76-78F. Why is it that all the new ones I've bought say closer to 90F? : r/Aquariums Help. So this is the second digital thermometer I've bought that says my tank is at 90F degrees. My top fin one has always said my temp is around 76-78F. Why is it that all the new ones I've bought say closer to 90F? : r/Aquariums](https://preview.redd.it/kz8aqwkyion91.jpg?width=1080&crop=smart&auto=webp&s=8ae22dac48eacacd7edffac48fc1b07d660e6e26)
Help. So this is the second digital thermometer I've bought that says my tank is at 90F degrees. My top fin one has always said my temp is around 76-78F. Why is it that all the new ones I've bought say closer to 90F? : r/Aquariums
![Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet](https://m.media-amazon.com/images/I/51UR5FtJcnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet
![Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet Amazon.com: BCOATH Top Fin Thermometer Glass Suction Cups Fish Tank for Betta Fish Betta Fish Tank Betta Fish Thermometer Betta Tank Betta Fish Accessories Gecko Tank Tools 3D Electronic Lizard : Pet](https://m.media-amazon.com/images/I/51H-ds42q1L._AC_UF350,350_QL80_.jpg)