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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GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 2 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 3 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 4 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 5 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 6 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 7 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 8 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in slide 9 of 9

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in

Rated 3 out of 5 stars

2

$26.77 Chewy Price

$33.99 List Price

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Free 1-3 day delivery on first-time orders over $35
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Slide 1 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 2 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 3 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 4 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 5 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 6 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting slide 7 of 7

Marineland LED Modular Pod Warm White Aquarium Lighting

$6.99 Chewy Price

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Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 22

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AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 2 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 3 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 4 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 5 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 6 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft slide 7 of 7

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

Rated 5 out of 5 stars

1

$64.95 Chewy Price

$79.95 List Price

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Free delivery on first-time orders
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Arrives between Jul 20 and Jul 23

Slide 1 of 9

Aqueon Betta LED Fish Aquarium Light slide 2 of 9

Aqueon Betta LED Fish Aquarium Light slide 3 of 9

Aqueon Betta LED Fish Aquarium Light slide 4 of 9

Aqueon Betta LED Fish Aquarium Light slide 5 of 9

Aqueon Betta LED Fish Aquarium Light slide 6 of 9

Aqueon Betta LED Fish Aquarium Light slide 7 of 9

Aqueon Betta LED Fish Aquarium Light slide 8 of 9

Aqueon Betta LED Fish Aquarium Light slide 9 of 9

Aqueon Betta LED Fish Aquarium Light

Rated 3.1 out of 5 stars

18

$16.95 Chewy Price

$19.95 List Price

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Free 1-3 day delivery on first-time orders over $35
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JBJ Aquarium 10W Tablet Lyra LED Aquarium Light

Rated 5 out of 5 stars

1

$89.99 Chewy Price

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Free delivery on first-time orders
Free 365-day returns
Arrives between Jul 23 and Jul 26

Aquaillumination Blade LED Elevated Tank Mount

Rated 5 out of 5 stars

3

$31.99 Chewy Price

$35.99 List Price

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

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

Rated 3 out of 5 stars

4

$183.95 Chewy Price

Autoship Price

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

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

Rated 1 out of 5 stars

1

$66.94 Chewy Price

$79.99 List Price

Autoship Price

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

Aqua Worx EOS N7 White LED Aquarium Lamp

Rated 2 out of 5 stars

1

$26.99 Chewy Price

$34.99 List Price

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Free 1-3 day delivery on first-time orders over $35
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Aqueon LED Aquarium Light Fixture, 30-in

Rated 4.2 out of 5 stars

25

$96.99 Chewy Price

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Tetra Pond Triple Light Set with Remote

Rated 5 out of 5 stars

4

$74.99 Chewy Price

$141.79 List Price

Autoship Price

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

Zoo Med Coral Blue 460nm T5-HO Lamp, 34-in, 39-watt

Rated 3.8 out of 5 stars

5

$27.99 Chewy Price

($27.99/ea) Price per Unit

Autoship Price

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

Marineland LED Modular Pod Plant Growth Aquarium Lighting

Rated 4.3 out of 5 stars

6

$7.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 22

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

$47.89 List Price

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Free 1-3 day delivery on first-time orders
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Coralife Seascape Incandescent SMART LED Light Fixture, Black, 48 to 54-in

Rated 4.4 out of 5 stars

22

$299.95 Chewy Price

$349.99 List Price

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

AquaLighter PicoSoft LED Aquarium Lamp, White

Rated 5 out of 5 stars

4

$27.92 Chewy Price

Autoship Price

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

Marineland LED Mod Pod High Def White Aquarium Lighting

Rated 1 out of 5 stars

1

$9.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 22

Current USA LightSerene Background LED Aquarium Light Kit, 24-in

Rated 3.6 out of 5 stars

7

$56.95 Chewy Price

Autoship Price

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

Seapora Replacement Power Supply for LED Lighting Strips

$31.70 Chewy Price

$33.00 List Price

Autoship Price

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

Aqua Worx EOS N5 White LED Aquarium Lamp

Rated 2 out of 5 stars

3

$23.57 Chewy Price

$29.99 List Price

Autoship Price

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

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in

Rated 5 out of 5 stars

1

$208.99 Chewy Price

$250.79 List Price

Autoship Price

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

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

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Jul 19 and Jul 25

Zoo Med AquaSun Aquarium Timer

Rated 3.8 out of 5 stars

26

$15.75 Chewy Price

$19.99 List Price

Autoship Price

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

Marineland LED Mod Pod High White Aquarium Lighting

$8.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 22

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

Rated 4.6 out of 5 stars

10

$44.99 Chewy Price

($44.99/ea) Price per Unit

Autoship Price

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

Coralife Biocube UV Sterilizer Replacement Bulb, 5 watts

Rated 1.7 out of 5 stars

6

$54.78 Chewy Price

$64.99 List Price

Autoship Price

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

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

$134.92 Chewy Price

Autoship Price

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

Cascade Plant-Growth 12 Bulb High Power LED Light, Silver

Rated 5 out of 5 stars

1

$34.99 Chewy Price

($2.92/ea) Price per Unit

$35.99 List Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 23

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

Rated 1 out of 5 stars

1

$109.99 Chewy Price

$149.99 List Price

Autoship Price

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

AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Rated 4.2 out of 5 stars

43

$34.99 Chewy Price

($34.99/ea) Price per Unit

$39.99 List Price

Autoship Price

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

Aqua Worx EOS N5 RGB LED Aquarium Lamp

$36.89 Chewy Price

$39.99 List Price

Autoship Price

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

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

Autoship Price

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

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

Rated 5 out of 5 stars

1

$32.12 Chewy Price

$39.99 List Price

Autoship Price

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

Aquaillumination Blade Smart Coral Glow LED Strip, Black, 12-in

$199.99 Chewy Price

$239.99 List Price

Autoship Price

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

Marineland LED Mod Pod High Out Blue Aquarium Lighting

$7.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 19 and Jul 22

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

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

GloFish Multi-Color LED Aquarium Light Stick, 5-gal, 6-in

Marineland LED Modular Pod Warm White Aquarium Lighting

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

Aqueon Betta LED Fish Aquarium Light

JBJ Aquarium 10W Tablet Lyra LED Aquarium Light

Aquaillumination Blade LED Elevated Tank Mount

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

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

Aqua Worx EOS N7 White LED Aquarium Lamp

Aqueon LED Aquarium Light Fixture, 30-in

Tetra Pond Triple Light Set with Remote

Zoo Med Coral Blue 460nm T5-HO Lamp, 34-in, 39-watt

Marineland LED Modular Pod Plant Growth Aquarium Lighting

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

Coralife Seascape Incandescent SMART LED Light Fixture, Black, 48 to 54-in

AquaLighter PicoSoft LED Aquarium Lamp, White

Marineland LED Mod Pod High Def White Aquarium Lighting

Current USA LightSerene Background LED Aquarium Light Kit, 24-in

Seapora Replacement Power Supply for LED Lighting Strips

Aqua Worx EOS N5 White LED Aquarium Lamp

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in

Pond Boss Landscape & Pond Lights, 6 count

Zoo Med AquaSun Aquarium Timer

Marineland LED Mod Pod High White Aquarium Lighting

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

Coralife Biocube UV Sterilizer Replacement Bulb, 5 watts

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

Cascade Plant-Growth 12 Bulb High Power LED Light, Silver

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

AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Aqua Worx EOS N5 RGB LED Aquarium Lamp

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

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

Aquaillumination Blade Smart Coral Glow LED Strip, Black, 12-in

Marineland LED Mod Pod High Out Blue Aquarium Lighting

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

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