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

By Zoo Med
Rated 4.3 out of 5 stars
15 Ratings
3 Answered Questions
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About This Item

Details

  • Combination lighting includes 6,500-kilowatt trichromatic daylight phosphor and a 420-nanometer actinic phosphor.
  • Provides high-intensity, full-spectrum daylight with a focus on short-wavelength blue light commonly found near coral reefs.
  • Supports the growth and well-being of your photosynthetic corals and invertebrates.
  • Great for use with marine aquariums, reef aquariums, African Cichlids and Discus Fish alike.
  • Each bulb offers up to 10,000 hours of effective illumination.
  • Combination lighting includes 6,500-kilowatt trichromatic daylight phosphor and a 420-nanometer actinic phosphor.
  • Provides high-intensity, full-spectrum daylight with a focus on short-wavelength blue light commonly found near coral reefs.
  • Supports the growth and well-being of your photosynthetic corals and invertebrates.
  • Great for use with marine aquariums, reef aquariums, African Cichlids and Discus Fish alike.
  • Each bulb offers up to 10,000 hours of effective illumination.

Give your coral the natural lighting it needs to thrive with the Zoo Med 50/50 Reef Sun T8 Fluorescent Aquarium Bulb. This combination bulb is designed to provide high-intensity, full-spectrum lighting that’s especially strong in the short-wavelength blue region. It emulates the natural lighting found near coral reefs and supports the growth and well-being of your photosynthetic corals and invertebrates. Each bulb offers up to 10,000 hours of stunning illumination and is great for use with marine aquariums, reef aquariums, African Cichlids and Discus Fish alike.

Specifications
Item Number318675
Weight3.44 ounces
Dimensions18 x 1 x 1 inches
Aquarium TypeFreshwater, Saltwater
Made InChina
Sourced FromUnited States
Bulb TypeUltraviolet
MaterialGlass
Reptile TypeLizard

Instructions

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Questions & Answers

3 Customer Questions

Is this for use in reptile habitats only or can it be used in a freshwater aquarium? How does it attach?

Answer by Chewy • Mar 24, 2024
This bulb is suitable for all marine aquariums, including freshwater and reef aquariums. The bulb attaches to a light fixture.

is this a 54w ho bulb?

Answer by Chewy • Dec 12, 2021
The 15 x 18 inch is a 15 watt bulb, the 25 x 36 inch is a 25 watt bulb and the 32 x 48 inch is a 32 watt bulb.

Is this a 15inch light?

Answer by Chewy • Jun 09, 2024
This light is sold in the 15 x 18-inch bulb and the 25 x 36-inch bulb.
Reviews
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4.3
Rated 4.3 out of 5 stars
15 Ratings
Terms & Conditions

4 Customer Reviews

Rated 1 out of 5 stars
By ELLIOTT on Oct 8, 2025

Did not last

It was good for a day. Then it flickered and died on day 3.

Rated 3 out of 5 stars
By MARILYN on Sep 17, 2024

bulb

Love the brand, always have the best quality products. I was not able to use this bulb because it didn't fit, however I passed it on to a friend and they love it.

Rated 5 out of 5 stars
By Dan on May 13, 2024

The whole light died.

Rated 5 out of 5 stars
By Rafael on Feb 16, 2024

Aquarium bulb

Excellent product