I have my quarantine/hospital tank in the basement in a room with no windows. So when the lights come on (timer), the tank goes from pitch black to light, and light to pitch black when the lights go off.
Is this stressful for the fish? If so, any solutions (without leaving the room light on all day or night)?
Is this stressful for the fish? If so, any solutions (without leaving the room light on all day or night)?