Do fish tanks need lighting?

Generally speaking, it's important to have lighting in your fish tank. Lighting helps fish naturally respond to day-night cycles, which contributes to their health and well-being. Additionally, underwater plants require photosynthesis from lighting to flourish. And besides- fish tank lighting has an amazing aesthetic appeal that allows you and others to see what's inside!

What lighting is recommended for aquariums?

The aquarium lighting required varies depending on what lives in the aquarium, the aquarium size, and whether it is saltwater or fresh water. Types of bulbs to consider include LED, fluorescent, and metal halide. Consult with a local aquarium club, fish-savvy veterinarian, or fish hobbyists for advice on the best fish tank lighting for your setup. Fish tank lighting should be pleasing to the viewing eye while also providing stimulation to the fish and light for plants to perform photosynthesis.

Do LED aquarium lights cause algae?

LED aquarium lights can contribute to algae growth if left on too long. Using a timer to limit lighting to 8–10 hours per day and avoiding direct sunlight on the tank can help keep algae under control.

Is it okay to put LED lights in a fish tank?

Yes, LED lights are commonly used in fish tanks. They tend to stay cool, use less energy, and offer adjustable settings that can benefit both fish and plants.

Do fish like the tank lights on or off?

Fish generally do best with a consistent light schedule that includes both light and dark periods. Mimicking a natural day-night cycle can support their overall well-being.

Should I leave my fish tank light on during the day?

It's usually a good idea to have lights on during the day for 8–10 hours. Too much light can sometimes lead to stress or algae growth, so moderation and consistency are key.

What color light reduces algae growth?

Cooler white or green lights are sometimes thought to reduce algae growth more than red or blue lights. However, managing intensity and duration often makes a bigger difference than color alone.

Aquarium & Fish Tank Lighting - Page 2 (Free Shipping)

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Pond Boss Landscape & Pond Lights, 6 count slide 2 of 3

Pond Boss Landscape & Pond Lights, 6 count slide 3 of 3

Pond Boss Landscape & Pond Lights, 6 count

Rated 5 out of 5 stars

3

$46.89 Chewy Price

($7.82/ea) Price per Unit

$58.99 List Price

21% Off

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Free delivery on first-time orders
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Arrives between Jun 2 and Jun 6

Slide 1 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 2 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 3 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 4 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 5 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 6 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 7 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 8 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count slide 9 of 9

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count

Rated 4 out of 5 stars

15

$50.37 Chewy Price

($25.19/ea) Price per Unit

$65.99 List Price

24% Off

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Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 2 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 3 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 4 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 5 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 6 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in slide 7 of 7

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in

Rated 4 out of 5 stars

7

$169.99 Chewy Price

$203.99 List Price

17% Off

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Seapora High-Efficiency LED Aquarium Lighting System, 12-in

Rated 3.6 out of 5 stars

5

$49.19 Chewy Price

$57.00 List Price

14% Off

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Current USA Orbit Marine LED Aquarium Light, 24-36-in

Rated 3 out of 5 stars

4

$156.36 Chewy Price

$183.95 List Price

15% Off

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Fluval Sea Marine 3.0 Nano Bluetooth LED Fish Aquarium Lighting, 20-watt

$109.99 Chewy Price

$149.99 List Price

27% Off

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Free 1-3 day delivery on first-time orders
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Zoo Med AquaSun Aquarium Timer

Rated 3.8 out of 5 stars

25

$16.99 Chewy Price

$19.99 List Price

15% Off

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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aquael Leddy Slim 36W Sunny 40"-48" Aquarium Lamp, Black

$134.92 Chewy Price

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Free 1-3 day delivery on first-time orders
Free 365-day returns

Coralife Biocube UV Sterilizer Replacement Bulb, 5 watts

Rated 1.8 out of 5 stars

5

$56.19 Chewy Price

$64.99 List Price

14% Off

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Aquarium Masters HD LED Dimmer Aquarium Lighting System, 48-in

Rated 2 out of 5 stars

2

$182.00 Chewy Price

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Free 1-3 day delivery on first-time orders
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Marineland LED Mod Pod High White Aquarium Lighting

$7.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 1 and Jun 4

Zoo Med 420nm Actinic Coral Sun T5-HO Fluorescent Aquarium Bulb, 36-in, 39-watt

Rated 2 out of 5 stars

2

$19.39 Chewy Price

($19.39/ea) Price per Unit

$22.99 List Price

16% Off

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Free 1-3 day delivery on first-time orders over $35
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GloFish LED White & Blue Light Stick, 13-in, 1 count

Rated 4.6 out of 5 stars

10

$44.32 Chewy Price

($44.32/ea) Price per Unit

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Free 1-3 day delivery on first-time orders
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Coralife Marine Aquarium Clip-On LED Light

Rated 4.8 out of 5 stars

19

$54.95 Chewy Price

$64.99 List Price

15% Off

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Seapora High-Efficiency 14.5-watt LED Lighting System, 24-in

Rated 1 out of 5 stars

1

$67.31 Chewy Price

$79.99 List Price

16% Off

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GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 8-in

Rated 5 out of 5 stars

1

$31.17 Chewy Price

$39.99 List Price

22% Off

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Free 1-3 day delivery on first-time orders over $35
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AquaSprouts Horticultural LED Grow Light Bar, 2-ft

Rated 5 out of 5 stars

1

$64.95 Chewy Price

$79.95 List Price

19% Off

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Free delivery on first-time orders
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Arrives between Jun 3 and Jun 6

AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Rated 4.2 out of 5 stars

42

$37.44 Chewy Price

($37.44/ea) Price per Unit

$39.99 List Price

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Free 1-3 day delivery on first-time orders
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Aquael Leddy Slim 32W Sunny 30"-40" Aquarium Lamp, Black

Rated 5 out of 5 stars

1

$89.99 Chewy Price

$127.71 List Price

30% Off

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Free 1-3 day delivery on first-time orders
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biOrb CLASSIC MCR Aquarium Replacement Light, Gray, Large

Rated 2.5 out of 5 stars

8

$95.34 Chewy Price

$101.99 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between May 31 and Jun 5

Current USA Orbit R24 LED Reef Aquarium Light

$275.94 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Marineland LED Mod Pod High Def White Aquarium Lighting

Rated 1 out of 5 stars

1

$10.07 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 1 and Jun 4

Zoo Med 420nm Actinic Coral Sun T8 Fluorescent Aquarium Bulb, 18-in, 15-watt

Rated 3.8 out of 5 stars

4

$15.99 Chewy Price

($15.99/ea) Price per Unit

$20.99 List Price

24% Off

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Lifegard Full Spectrum LED Light with Mounting Bracket, Black, 5-in

Rated 4 out of 5 stars

7

$47.95 Chewy Price

$56.44 List Price

15% Off

Autoship Price

Free delivery on first-time orders
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Arrives between Jun 4 and Jun 9

Coralife Turbo Twist UV Replacement Aquarium Lamp, 18-Watt, Size 6X

Rated 4.5 out of 5 stars

11

$22.06 Chewy Price

$129.99 List Price

83% Off

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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

GloFish Multi-Color LED Aquarium Light Sticks, 20-gal, 10-in, 2 count

Rated 2.3 out of 5 stars

3

$37.77 Chewy Price

($18.89/ea) Price per Unit

$46.79 List Price

19% Off

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

ASF Proten LED Reef Blue Fish Aquarium Striplight, 40 Watt, 60-in

Rated 1 out of 5 stars

1

$305.29 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
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JBJ Aquarium 7W Peninsula Lyra LED Aquarium Light

Rated 3 out of 5 stars

2

$67.99 Chewy Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Jun 2 and Jun 6

biOrb CLASSIC LED Aquarium Replacement Light, Gray, 4-gal

Rated 5 out of 5 stars

1

$43.16 Chewy Price

($10.79/gl) Price per Unit

$50.99 List Price

15% Off

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between May 31 and Jun 5

Aqua Worx EOS N5 White LED Aquarium Lamp

Rated 2.5 out of 5 stars

2

$23.78 Chewy Price

$29.99 List Price

21% Off

Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland LED Mod Pod Rgb Aquarium Lighting

$14.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 1 and Jun 4

Zoo Med Coral Blue 460nm T5-HO Lamp, 46-in, 54-watt

Rated 3.8 out of 5 stars

5

$21.99 Chewy Price

($21.99/ea) Price per Unit

$32.99 List Price

33% Off

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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland LED Advanced Aquarium Track Light, 48-60-in

Rated 5 out of 5 stars

4

$198.72 Chewy Price

$306.99 List Price

35% Off

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Jun 1 and Jun 4

TMC Hyperion Ultra High Performance Quartz UVC Lamp, 25-watt

Rated 5 out of 5 stars

1

$39.99 Chewy Price

$46.99 List Price

15% Off

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquael Leddy Slim 10W Plant 20"-27.5" Aquarium Lamp, White

$87.54 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

GloFish Color Changing Cycle LED Light, 5-gal

Rated 3.7 out of 5 stars

18

$37.59 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Aquarium & Fish Tank Lighting

Light Fixtures

LED & Reef Lights

Fish-Only Lighting

Replacement Bulbs

Mounts & Timers

Pond Boss Landscape & Pond Lights, 6 count

GloFish Multi-Color LED Aquarium Light Sticks, 75-gal, 10-in, 2 count

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in

Seapora High-Efficiency LED Aquarium Lighting System, 12-in

Current USA Orbit Marine LED Aquarium Light, 24-36-in

Fluval Sea Marine 3.0 Nano Bluetooth LED Fish Aquarium Lighting, 20-watt

Zoo Med AquaSun Aquarium Timer

Aquael Leddy Slim 36W Sunny 40"-48" Aquarium Lamp, Black

Coralife Biocube UV Sterilizer Replacement Bulb, 5 watts

Aquarium Masters HD LED Dimmer Aquarium Lighting System, 48-in

Marineland LED Mod Pod High White Aquarium Lighting

Zoo Med 420nm Actinic Coral Sun T5-HO Fluorescent Aquarium Bulb, 36-in, 39-watt

GloFish LED White & Blue Light Stick, 13-in, 1 count

Coralife Marine Aquarium Clip-On LED Light

Seapora High-Efficiency 14.5-watt LED Lighting System, 24-in

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 8-in

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Aquael Leddy Slim 32W Sunny 30"-40" Aquarium Lamp, Black

biOrb CLASSIC MCR Aquarium Replacement Light, Gray, Large

Current USA Orbit R24 LED Reef Aquarium Light

Marineland LED Mod Pod High Def White Aquarium Lighting

Zoo Med 420nm Actinic Coral Sun T8 Fluorescent Aquarium Bulb, 18-in, 15-watt

Lifegard Full Spectrum LED Light with Mounting Bracket, Black, 5-in

Coralife Turbo Twist UV Replacement Aquarium Lamp, 18-Watt, Size 6X

GloFish Multi-Color LED Aquarium Light Sticks, 20-gal, 10-in, 2 count

ASF Proten LED Reef Blue Fish Aquarium Striplight, 40 Watt, 60-in

JBJ Aquarium 7W Peninsula Lyra LED Aquarium Light

biOrb CLASSIC LED Aquarium Replacement Light, Gray, 4-gal

Aqua Worx EOS N5 White LED Aquarium Lamp

Marineland LED Mod Pod Rgb Aquarium Lighting

Zoo Med Coral Blue 460nm T5-HO Lamp, 46-in, 54-watt

Marineland LED Advanced Aquarium Track Light, 48-60-in

TMC Hyperion Ultra High Performance Quartz UVC Lamp, 25-watt

Aquael Leddy Slim 10W Plant 20"-27.5" Aquarium Lamp, White

GloFish Color Changing Cycle LED Light, 5-gal

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