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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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
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Arrives between Sep 3 and Sep 7

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Aquatop SkyAqua 6500k LED Aquarium Light, 34W slide 2 of 4

Aquatop SkyAqua 6500k LED Aquarium Light, 34W slide 3 of 4

Aquatop SkyAqua 6500k LED Aquarium Light, 34W slide 4 of 4

Aquatop SkyAqua 6500k LED Aquarium Light, 34W

$159.99 Chewy Price

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Slide 1 of 6

Current USA LightSerene Background LED Aquarium Light Kit, 24-in slide 2 of 6

Current USA LightSerene Background LED Aquarium Light Kit, 24-in slide 3 of 6

Current USA LightSerene Background LED Aquarium Light Kit, 24-in slide 4 of 6

Current USA LightSerene Background LED Aquarium Light Kit, 24-in slide 5 of 6

Current USA LightSerene Background LED Aquarium Light Kit, 24-in slide 6 of 6

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

Rated 3.6 out of 5 stars

7

$56.95 Chewy Price

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Slide 1 of 3

Dennerle Nano Power-LED 5.0 Fish Aquarium Light, 5-watt slide 2 of 3

Dennerle Nano Power-LED 5.0 Fish Aquarium Light, 5-watt slide 3 of 3

Dennerle Nano Power-LED 5.0 Fish Aquarium Light, 5-watt

$85.00 Chewy Price

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Free delivery on first-time orders
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Arrives between Sep 5 and Sep 9

Zoo Med T5-HO Ocean Sun 10,000K Fluorescent Lamp, 46-in, 54-watt

Rated 3.7 out of 5 stars

10

$26.99 Chewy Price

($26.99/ea) Price per Unit

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Free 1-3 day delivery on first-time orders over $35
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Aqua Worx EOS N7 White LED Aquarium Lamp

Rated 2 out of 5 stars

1

$34.99 Chewy Price

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Free 1-3 day delivery on first-time orders over $35
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Lifegard Full Spectrum LED Light with Mounting Bracket, Black, 5-in

Rated 4 out of 5 stars

7

$50.80 Chewy Price

$56.44 List Price

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Free delivery on first-time orders
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Arrives between Sep 5 and Sep 9

AquaLighter NanoSoft LED Aquarium Lamp, Black

Rated 5 out of 5 stars

23

$35.99 Chewy Price

$38.46 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, 18 to 24-in

Rated 4.4 out of 5 stars

23

$97.95 Chewy Price

$259.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders
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Coralife Power Center Day Night Timer

Rated 4 out of 5 stars

22

$36.99 Chewy Price

$49.99 List Price

Autoship Price

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

Seapora Replacement Power Supply for LED Lighting Strips

$32.60 Chewy Price

$33.00 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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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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Marineland LED Mod Pod High Def White Aquarium Lighting

Rated 1 out of 5 stars

1

$9.99 Chewy Price

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Free delivery on first-time orders over $35
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Arrives between Sep 3 and Sep 7

Aqueon LED Aquarium Light Fixture, 30-in

Rated 4.2 out of 5 stars

25

$96.99 Chewy Price

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Free 1-3 day delivery on first-time orders
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Aquatop SkyAqua Mini 10W 6500K LED Clamp-On Aquarium Light

$39.99 Chewy Price

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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

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
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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

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Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 4 and Sep 8

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

$99.36 Chewy Price

$134.92 List Price

Autoship Price

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

Aqua Worx EOS N5 White LED Aquarium Lamp

Rated 2 out of 5 stars

3

$29.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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
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Arrives between Sep 4 and Sep 8

Marineland LED Mod Pod Color Enhance Aquarium Lighting

Rated 3.5 out of 5 stars

2

$6.61 Chewy Price

$9.45 List Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 3 and Sep 7

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

New

Aquatop FZ9, SP9-UV, CF-400UVMKII, CF-500UVMKII & E-9 UV Replacement Bulb, 9-watt

$26.99 Chewy 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 Sep 3 and Sep 7

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

Rated 4.5 out of 5 stars

11

$59.99 Chewy Price

$129.99 List Price

Autoship Price

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

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

JBJ Aquarium 10W Tablet Lyra LED Aquarium Light

Rated 5 out of 5 stars

1

$89.99 Chewy Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 5 and Sep 9

Aqueon Betta LED Fish Aquarium Light

Rated 3.2 out of 5 stars

19

$16.95 Chewy Price

$19.95 List Price

Autoship Price

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

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

Rated 2 out of 5 stars

1

$96.99 Chewy Price

$175.09 List Price

Autoship Price

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

Aquaillumination Blade Smart Coral Glow LED Strip, Black, 21-in

$299.88 Chewy Price

$359.99 List Price

Autoship Price

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

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 420nm Actinic Coral Sun T5-HO Fluorescent Aquarium Bulb, 24-in, 24-watt

Rated 2 out of 5 stars

2

$20.56 Chewy Price

($20.56/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

AA Aquarium Green Killing Machine 24 Watt Replacement Bulb

Rated 4.2 out of 5 stars

42

$40.99 Chewy Price

($40.99/ea) Price per Unit

$54.99 List Price

Autoship Price

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

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

Rated 2.5 out of 5 stars

4

$37.77 Chewy Price

($18.89/ea) Price per Unit

$47.89 List Price

Autoship Price

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

Atlantic Warm White Ring Light Fixture, 5-watt

$146.99 Chewy Price

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Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 4 and Sep 8

Aquarium & Fish Tank Lighting

Light Fixtures

LED & Reef Lights

Fish-Only Lighting

Replacement Bulbs

Mounts & Timers

Marineland LED Modular Pod Warm White Aquarium Lighting

Aquatop SkyAqua 6500k LED Aquarium Light, 34W

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

Dennerle Nano Power-LED 5.0 Fish Aquarium Light, 5-watt

Zoo Med T5-HO Ocean Sun 10,000K Fluorescent Lamp, 46-in, 54-watt

Aqua Worx EOS N7 White LED Aquarium Lamp

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

AquaLighter NanoSoft LED Aquarium Lamp, Black

Coralife Seascape Incandescent SMART LED Light Fixture, Black, 18 to 24-in

Coralife Power Center Day Night Timer

Seapora Replacement Power Supply for LED Lighting Strips

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

Marineland LED Mod Pod High Def White Aquarium Lighting

Aqueon LED Aquarium Light Fixture, 30-in

Aquatop SkyAqua Mini 10W 6500K LED Clamp-On Aquarium Light

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

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

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

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

Aqua Worx EOS N5 White LED Aquarium Lamp

Pond Boss Landscape & Pond Lights, 6 count

Marineland LED Mod Pod Color Enhance Aquarium Lighting

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

Aquatop FZ9, SP9-UV, CF-400UVMKII, CF-500UVMKII & E-9 UV Replacement Bulb, 9-watt

Marineland LED Mod Pod High White Aquarium Lighting

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

Zoo Med AquaSun Aquarium Timer

JBJ Aquarium 10W Tablet Lyra LED Aquarium Light

Aqueon Betta LED Fish Aquarium Light

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

Aquaillumination Blade Smart Coral Glow LED Strip, Black, 21-in

Tetra Pond Triple Light Set with Remote

Zoo Med 420nm Actinic Coral Sun T5-HO Fluorescent Aquarium Bulb, 24-in, 24-watt

AA Aquarium Green Killing Machine 24 Watt Replacement Bulb

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

Atlantic Warm White Ring Light Fixture, 5-watt

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