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GLO is devoted to providing industry-leading lighting solutions for fresh and salt water aquariums by using the latest innovations and technologies.

From high output to normal output fluorescent bulbs to electronic ballasts, GLO delivers easy-to-install, flexible and effective lighting solutions.

Whether you’re a beginner or an advanced hobbyist, have a freshwater tank full of plants or a reef aquarium, GLO’s unrivalled natural lighting brings out the best in your aquatic environment.


T5 & T8 Aquarium Bulbs - Lighting it Up.

Choosing the right type of lighting depends on what's in the aquarium. GLO T5 and T8 bulbs are excellent high output lights for a wide range of freshwater and marine settings.

T5 High Output information

Glo Aquatic Lighting Guide

The Glo Aquatic Lighting Guide provides helpful information about choosing the proper lighting for your aquarium. The guide helps you find optimum lighting solutions based on factors such as aquarium dimensions, types of fish, coral and plant life, filter media, decorative components and more.

Note: some items featured are not available in the UK

Make Me Glo Again Reminder

Did you know that after 1 year your fluorescent bulbs are only 50% effective? For your fishes health and optimum plant growth, change your bulbs every 12 months.

Sign up for our email reminder to change your bulbs.

Find out more.