Aquarium Lighting FAQs

Aquarium Lighting FAQs

Lighting for the aquarium is required irrespective of the size of the tank. Depending on the tank size, aquascapes, and fish the lighting requirement would vary. As there are many parameters involved in selecting the appropriate for your aquarium many questions revolve around this. In this post, we have answered the most asked and relevant questions on the aquarium lights.

What is the best lighting for a fish tank?

The best lighting for a fish tank, it should have the ability to bring out the best color of the fish. Depending on the fish you hold in your fish tank, please select the appropriate luminous color of the light.

Should the light be left on in an aquarium?

No, the aquarium light is not required to be left on throughout the day as this might cause a lot of stress on the fish and also encourage algae growth.

Is Aquarium Light good for fish?

Yes, aquarium light is good for fish if given to the required level. Depending on the fish you keep, you should choose the right light and settings to mimic the natural environment.

Can fish sleep with red light on?

Technically, there is no proof about fish able to detect color. If the lighting is made very minimal yes then the fish can rest itself.

Do LED aquarium lights cause algae?

Yes, LED light if left on for longer periods will cause algae. It is important to understand the type of aquatic plant you keep in an aquarium based on which the light duration should be decided.

How many hours should a fish tank light be on?

7 to 8 hours is recommended to mimic the natural environment of the fish.

What Color light do fish like?

I don’t believe the fish would have any favorite color light. However, depending on the light color you choose the fish would look good. Certain color lights would contrast the fish color and this would create a good appeal to the hobbyist or the ones who is watching the fish.

Can a fish tank light be too bright?

Too bright light might increase the temperature of the fish tank and this would impact the fish.

Is blue light good for fish at night?

The dim blue light will create a close mimic of the evening sunset in the water and this might give a natural habitat feeling to the fish.


How long do Aquarium LED lights last?

Aquarium LED lights last long when compared to the T5 Lights. Depending on the quality of LED, they would last between 30000 to 50000 hours. 

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