I have purchased an Elite "submersible" Aquarium heater. It shows a MAXIMUM water line at the top of the unit which would lead me to believe the unit cannot have water above this marking. Can you please let me know if this is actually completely submers
I have purchased an Elite "submersible" Aquarium heater. It shows a MAXIMUM water line at the top of the unit which would lead me to believe the unit cannot have water above this marking. Can you please let me know if this is actually completely submers