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 3 (Free Shipping)

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Marineland LED Mod Pod High Def White Aquarium Lighting slide 2 of 5

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Slide 1 of 5

Marineland LED Mod Pod High Def White Aquarium Lighting

Rated 1 out of 5 stars

1

$6.99 Chewy Price

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Arrives between Apr 10 and Apr 13

Slide 1 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 2 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 3 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 4 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 5 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 6 of 7

Aquaillumination Blade Smart Freshwater LED Strip, Silver, 21-in slide 7 of 7

Slide 1 of 7

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

Rated 5 out of 5 stars

1

$208.99 Chewy Price

$250.79 List Price

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Slide 1 of 3

Aquael Leddy Slim 10W Plant 20"-27.5" Aquarium Lamp, White slide 2 of 3

Aquael Leddy Slim 10W Plant 20"-27.5" Aquarium Lamp, White slide 3 of 3

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

$87.54 Chewy Price

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Marineland LED Aquarium Track Light, 30-in slide 2 of 9

Marineland LED Aquarium Track Light, 30-in slide 3 of 9

Marineland LED Aquarium Track Light, 30-in slide 4 of 9

Marineland LED Aquarium Track Light, 30-in slide 5 of 9

Marineland LED Aquarium Track Light, 30-in slide 6 of 9

Marineland LED Aquarium Track Light, 30-in slide 7 of 9

Marineland LED Aquarium Track Light, 30-in slide 8 of 9

Marineland LED Aquarium Track Light, 30-in slide 9 of 9

Marineland LED Aquarium Track Light, 30-in

Rated 4 out of 5 stars

6

$84.69 Chewy Price

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Arrives between Apr 10 and Apr 13

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

Rated 5 out of 5 stars

1

$25.00 Chewy Price

($2.09/ea) Price per Unit

$35.99 List Price

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Arrives between Apr 11 and Apr 14

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

Rated 2 out of 5 stars

2

$19.78 Chewy Price

($19.78/ea) Price per Unit

$22.99 List Price

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Seapora Replacement Power Supply for LED Lighting Strips

$31.10 Chewy Price

$33.00 List Price

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Aqua One Betta Trio Replacement LED Clamp Light

$79.89 Chewy Price

$83.00 List Price

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Aqua Worx EOS N5 RGB LED Aquarium Lamp

$35.99 Chewy Price

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

Rated 3 out of 5 stars

2

$25.97 Chewy Price

$37.39 List Price

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AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Rated 4.2 out of 5 stars

41

$34.99 Chewy Price

($34.99/ea) Price per Unit

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Current USA Orbit R24 LED Reef Aquarium Light

$275.94 Chewy Price

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Marineland LED Mod Pod High White Aquarium Lighting

$7.99 Chewy Price

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Arrives between Apr 10 and Apr 13

TMC Aquarium UV Sterilizer Lamp, 25-watt

$35.99 Chewy Price

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

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Arrives between Apr 12 and Apr 16

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

Rated 4.3 out of 5 stars

3

$15.99 Chewy Price

($15.99/ea) Price per Unit

$20.99 List Price

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

$85.00 Chewy Price

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Arrives between Apr 12 and Apr 16

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

$134.92 Chewy Price

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Aqua One Betta Duo Replacement LED Clamp Light

$60.00 Chewy Price

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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

$38.99 List Price

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AA Aquarium Green Killing Machine 3 Watt Replacement Bulb

Rated 5 out of 5 stars

5

$34.99 Chewy Price

($34.99/ea) Price per Unit

$39.99 List Price

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Lifegard Led Digital Thermometer, Blue

Rated 4.4 out of 5 stars

5

$34.49 Chewy Price

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Arrives between Apr 13 and Apr 17

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

$299.99 Chewy Price

$359.99 List Price

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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

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

Rated 1 out of 5 stars

1

$305.29 Chewy Price

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biOrb CLASSIC MCR Aquarium Replacement Light, Gray, Large

Rated 2.7 out of 5 stars

7

$77.74 Chewy Price

$101.99 List Price

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Arrives between Apr 11 and Apr 16

Marineland LED Modular Pod Lunar Blue Aquarium Lighting

Rated 5 out of 5 stars

3

$6.79 Chewy Price

$7.99 List Price

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Arrives between Apr 10 and Apr 13

Aquael Leddy Slim 36W Plant 40"-50" Aquarium Lamp, Black

$192.60 Chewy Price

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JBJ Aquarium 7W Peninsula Lyra LED Aquarium Light

Rated 3 out of 5 stars

2

$67.99 Chewy Price

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Arrives between Apr 12 and Apr 16

Anjon Stainless Steel Super Nova Pond UV Light, 40-watt

$281.75 Chewy Price

$402.50 List Price

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Arrives between Apr 11 and Apr 14

Lifegard Digital Thermometer & Hygrometer, Black

Rated 3.2 out of 5 stars

5

$51.00 Chewy Price

$57.73 List Price

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Arrives between Apr 13 and Apr 17

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

Rated 5 out of 5 stars

1

$296.69 Chewy Price

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Lifegard Ballast for Pro Max UV 25 & 40 Watt, 250-gal

$96.39 Chewy Price

($0.39/gl) Price per Unit

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Arrives between Apr 13 and Apr 17

AA Aquarium Green Killing Machine 24 Watt Replacement Bulb

Rated 4.2 out of 5 stars

40

$40.06 Chewy Price

($40.06/ea) Price per Unit

$54.99 List Price

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

Rated 5 out of 5 stars

1

$39.99 Chewy Price

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Marineland LED Mod Pod Color Enhance Aquarium Lighting

Rated 3.5 out of 5 stars

2

$10.28 Chewy Price

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Arrives between Apr 10 and Apr 13

Aquarium & Fish Tank Lighting

Marineland LED Mod Pod High Def White Aquarium Lighting

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

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

Marineland LED Aquarium Track Light, 30-in

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

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

Seapora Replacement Power Supply for LED Lighting Strips

Aqua One Betta Trio Replacement LED Clamp Light

Aqua Worx EOS N5 RGB LED Aquarium Lamp

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

AA Aquarium Green Killing Machine 9 Watt Replacement Bulb

Current USA Orbit R24 LED Reef Aquarium Light

Marineland LED Mod Pod High White Aquarium Lighting

TMC Aquarium UV Sterilizer Lamp, 25-watt

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

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

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

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

Aqua One Betta Duo Replacement LED Clamp Light

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

AA Aquarium Green Killing Machine 3 Watt Replacement Bulb

Lifegard Led Digital Thermometer, Blue

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

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

biOrb CLASSIC MCR Aquarium Replacement Light, Gray, Large

Marineland LED Modular Pod Lunar Blue Aquarium Lighting

Aquael Leddy Slim 36W Plant 40"-50" Aquarium Lamp, Black

JBJ Aquarium 7W Peninsula Lyra LED Aquarium Light

Anjon Stainless Steel Super Nova Pond UV Light, 40-watt

Lifegard Digital Thermometer & Hygrometer, Black

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

Lifegard Ballast for Pro Max UV 25 & 40 Watt, 250-gal

AA Aquarium Green Killing Machine 24 Watt Replacement Bulb

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

Marineland LED Mod Pod Color Enhance Aquarium Lighting

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