Should I Turn My Fish Tank Light Off At Night?

Can I leave my aquarium light on 24 7?

Tank lighting should be left on for no more than 12 hours per day.

All fish require periods of darkness, similar to their natural aquatic environments.

Leaving your tank light on 24/7 will result in the overgrowth of algae and possibly harm the fish..

When should I turn my fish tank light off?

You can shut off your aquarium’s lights anytime you want, so long as they’re consistently on for about 12 hours and off for the same length of time. Most aquarists prefer shutting them off at night because they would rather see the tank lit up during the day.

Do you leave the light on in a fish tank at night?

The fish do not need light and it is best that your turn it off during the night. Leaving the light on can cause stress to fish as they need a period of darkness to sleep. Too much light will cause algae to rapidly grow and make your tank look dirty. So the short answer is no, do not leave your lights on.

Do fish like blue light at night?

Nocturnal fish particularly prefer dim blue lighting at night. The blue lights not only mimic moonlight and, thus, encourage more physical activity, but these also provide them with illumination. There’s also the fact that blue light allows you, their human parent, to view them well.

Are LED lights bad for fish?

Fish are not as reliant on light as plants. In general, aquarium owners can use incandescent, fluorescent, or LED lights for fish but should be aware of the heat issues that incandescent lights cause. … LED lights produce virtually no heat and come in many colors.

Can a fish tank light be too bright?

Mimic the rise and set of sun as much as possible. But limit the light to less time on if fish are stressed or algae grows. Too much light will encourage the algae to grow on and kill the plants as well as the glass which prevents viewing of your fish. Never leave the lights on 24 hours at a time.