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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Aqueon LED Aquarium Light Fixture, 30-in slide 2 of 8

Aqueon LED Aquarium Light Fixture, 30-in slide 3 of 8

Aqueon LED Aquarium Light Fixture, 30-in slide 4 of 8

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Aqueon LED Aquarium Light Fixture, 30-in

Rated 4.2 out of 5 stars

25

$96.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
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Slide 1 of 3

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

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

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Pond Boss Landscape & Pond Lights, 6 count

Rated 5 out of 5 stars

2

$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 Apr 11 and Apr 16

Slide 1 of 2

Aquarium Masters LED Full Aquarium Hood, 16-in slide 2 of 2

Aquarium Masters LED Full Aquarium Hood, 16-in

Rated 3.9 out of 5 stars

11

$49.92 Chewy Price

$57.00 List Price

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Free 1-3 day delivery on first-time orders
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Slide 1 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 2 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 3 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 4 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 5 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 6 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 7 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 8 of 9

Marineland LED Mod Pod Rgb Aquarium Lighting slide 9 of 9

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 Apr 10 and Apr 13

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

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

Aquaillumination Blade LED Elevated Tank Mount

Rated 5 out of 5 stars

3

$29.99 Chewy Price

$35.99 List Price

Autoship Price

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

Current USA Orbit R24 Bluetooth Dual 2x Light System with Flex Arms

Rated 4.7 out of 5 stars

3

$540.44 Chewy Price

Autoship Price

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

Zoo Med 50/50 Reef Sun T8 Fluorescent Aquarium Bulb, 18-in, 15-watt

Rated 4.3 out of 5 stars

16

$17.99 Chewy Price

($17.99/ea) Price per Unit

$23.99 List Price

Autoship Price

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

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

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

Rated 3.8 out of 5 stars

6

$47.95 Chewy Price

$56.44 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 13 and Apr 17

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

$33.20 Chewy Price

($8.30/gl) Price per Unit

$50.99 List Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 16

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 Masters HD LED Dimmer Aquarium Lighting System, 36-in

Rated 2 out of 5 stars

2

$129.59 Chewy Price

$159.00 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 Apr 10 and Apr 13

Tetra Pond UV Replacement Bulb, 9-watt

Rated 4.5 out of 5 stars

46

$15.69 Chewy Price

($15.69/ea) Price per Unit

$29.49 List Price

Autoship Price

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

Zoo Med 6,500K Ultra Sun T5-HO Fluorescent Aquarium Bulb, 22-in, 24-watt

Rated 5 out of 5 stars

7

$13.99 Chewy Price

($13.99/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

Aqueon Betta LED Fish Aquarium Light

Rated 3.1 out of 5 stars

18

$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

Current USA Orbit Marine LED Aquarium Light, 18-24-in

Rated 3 out of 5 stars

4

$149.95 Chewy Price

Autoship Price

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

Zoo Med T5-HO Ocean Sun 10,000K Fluorescent Lamp, 22-in, 24-watt

Rated 3.7 out of 5 stars

10

$14.99 Chewy Price

($14.99/ea) Price per Unit

$22.99 List Price

Autoship Price

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

Coralife Deep Six Aquarium Hydrometer

Rated 3 out of 5 stars

7

$13.99 Chewy Price

$14.99 List Price

Autoship Price

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

Aqua Worx EOS N7 White LED Aquarium Lamp

Rated 2 out of 5 stars

1

$27.88 Chewy Price

$34.99 List Price

Autoship Price

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

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

Rated 5 out of 5 stars

1

$64.95 Chewy Price

$79.95 List Price

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 11 and Apr 15

Marineland LED Modular Pod Warm White Aquarium Lighting

$6.99 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 10 and Apr 13

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

Rated 4 out of 5 stars

15

$48.79 Chewy Price

($24.40/ea) Price per Unit

$62.99 List Price

Autoship Price

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

Marineland LED Modular Pod Aquarium Lighting

Rated 5 out of 5 stars

1

$10.17 Chewy Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 10 and Apr 13

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in

Rated 3.6 out of 5 stars

5

$169.99 Chewy Price

$203.99 List Price

Autoship Price

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

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

Rated 2 out of 5 stars

1

$102.99 Chewy Price

$175.09 List Price

Autoship Price

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

Fluval Sea Aquarium Hydrometer, Medium

Rated 2.5 out of 5 stars

6

$14.14 Chewy Price

$14.99 List Price

Autoship Price

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

Zoo Med Betta LED Light

Rated 3 out of 5 stars

4

$10.58 Chewy Price

$14.99 List Price

Autoship Price

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

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

Rated 3 out of 5 stars

3

$21.99 Chewy Price

($21.99/ea) Price per Unit

$32.99 List Price

Autoship Price

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

Tetra Pond Triple Light Set with Remote

Rated 5 out of 5 stars

4

$63.14 Chewy Price

$141.79 List Price

Autoship Price

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

New

JBJ Aquarium Nano Arctica E-Chiller, White/Black, 20-gal

$438.00 Chewy Price

($21.90/gl) Price per Unit

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 16

Aquascape 12 Volt Garden & Fish Pond Lighting Transformer

Rated 5 out of 5 stars

2

$69.99 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
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

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 10 and Apr 13

GloFish Multi-Color LED Aquarium Light Stick, 20-gal, 10-in

Rated 2.8 out of 5 stars

4

$33.79 Chewy Price

$41.99 List Price

Autoship Price

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

Aquarium & Fish Tank Lighting

Aqueon LED Aquarium Light Fixture, 30-in

Pond Boss Landscape & Pond Lights, 6 count

Aquarium Masters LED Full Aquarium Hood, 16-in

Marineland LED Mod Pod Rgb Aquarium Lighting

GloFish Color Changing Cycle LED Light, 5-gal

AquaLighter PicoSoft LED Aquarium Lamp, White

Aquaillumination Blade LED Elevated Tank Mount

Current USA Orbit R24 Bluetooth Dual 2x Light System with Flex Arms

Zoo Med 50/50 Reef Sun T8 Fluorescent Aquarium Bulb, 18-in, 15-watt

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

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

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

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

Aquarium Masters HD LED Dimmer Aquarium Lighting System, 36-in

Marineland LED Mod Pod High Out Blue Aquarium Lighting

Tetra Pond UV Replacement Bulb, 9-watt

Zoo Med 6,500K Ultra Sun T5-HO Fluorescent Aquarium Bulb, 22-in, 24-watt

Aqueon Betta LED Fish Aquarium Light

Current USA Orbit Marine LED Aquarium Light, 18-24-in

Zoo Med T5-HO Ocean Sun 10,000K Fluorescent Lamp, 22-in, 24-watt

Coralife Deep Six Aquarium Hydrometer

Aqua Worx EOS N7 White LED Aquarium Lamp

AquaSprouts Horticultural LED Grow Light Bar, 2-ft

Marineland LED Modular Pod Warm White Aquarium Lighting

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

Marineland LED Modular Pod Aquarium Lighting

Aquaillumination Blade Smart Coral Grow LED Strip, 12-in

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

Fluval Sea Aquarium Hydrometer, Medium

Zoo Med Betta LED Light

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

Tetra Pond Triple Light Set with Remote

JBJ Aquarium Nano Arctica E-Chiller, White/Black, 20-gal

Aquascape 12 Volt Garden & Fish Pond Lighting Transformer

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

GloFish Multi-Color LED Aquarium Light Stick, 20-gal, 10-in

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