Best Glass UV Bulbs of 2025

The Pisces 36w UV Bulb is designed for effective pond and aquarium maintenance. Made from high-quality materials, this bulb ensures durability while effectively clearing algae from your water. Its powerful ultraviolet light works to eliminate unsightly green algae, improving your filtration system's efficiency. Additionally, it is simple to fit into your pond UV filter, making replacement a hassle-free task every 12 months. Enjoy cleaner water with minimal effort using this reliable UV bulb.

The Pisces 18W UV Bulb is designed to enhance the clarity of your pond or aquarium water. With its 215mm length and 4-pin base, it easily fits into most pond filters and UV systems. Made from durable materials, this bulb effectively combats green algae, ensuring your water remains clear. When you replace an old or inefficient bulb with a new one, you can significantly boost the performance of your filtration system, providing you with a healthier aquatic environment.

The UVBrite® UV-C Bulb is designed specifically for aquarium and fish pond filters, providing essential sterilisation and clarification. With a germicidal output at a wavelength of 253.7nm, this lamp ensures that harmful pathogens are effectively eliminated from your pond water. It’s important to note that these lamps should only be used in sealed filter units to ensure safety. Made from durable quartz instead of glass, this bulb boasts an impressive average life of 9000 hours, offering you long-lasting performance and convenience.

The AffyBulb 9W UV Bulb is a reliable replacement option for your UVC filters and clarifiers. Its built-in anti-interference capacitance ensures stable UVC output, making it suitable for various environments, including homes and hospitals. Measuring 145mm in length, this bulb boasts a high-purity quartz glass tube that maximises UV transmittance at 253.7nm, allowing for effective disinfection. With cold cathode technology, the bulb offers a long service life, giving you peace of mind while maintaining clean and purified water.

The Pondh2o T8 UV Bulb offers a powerful 30 Watts of germicidal light at a wavelength of 253nm, effectively helping to keep your pond water clear and healthy. With an average life of 8000 hours, you can enjoy long-lasting performance without frequent replacements. The bulb's Bi Pin design ensures easy installation, making it user-friendly. Additionally, its standard length of 908mm allows for compatibility with various pond filters, providing you with convenience and peace of mind.

The UVBrite UV-C Bulb is designed specifically for use in aquarium and fish pond filters, ensuring effective sterilisation and water clarification. It emits UV-C radiation at a wavelength of 253.7nm, which is highly effective but should be used with caution, as it can be harmful to the eyes and skin. This bulb is manufactured from quartz rather than glass, providing enhanced durability and longevity. With an impressive average lifespan of 9000 hours, you can enjoy cleaner, clearer water with less frequent replacements.

The UVBrite 11W UV-C Bulb is designed for use in aquarium and fish pond filters, providing essential sterilisation and clarification. It emits UV-C radiation at a wavelength of 253.7nm, which is effective for eliminating harmful microorganisms. This bulb is made from quartz, ensuring durability and longevity, with an average rated life of 9000 hours. For optimal performance, you should replace the bulb every 6 to 12 months, depending on its purpose, making it a convenient choice for maintaining clear and healthy water.

The Gatuida 9W UV Bulbs are designed for effective nail gel curing. Made from sturdy glass, they ensure durability for frequent use, giving you peace of mind as you apply your favourite nail designs. With a 9W power output, these bulbs provide efficient curing, ensuring your nails look flawless. The 365nm wavelength is ideal for thorough curing, helping to achieve long-lasting results. Additionally, their U-shaped design offers consistent UV light exposure, so every part of your nails gets the attention it needs.

The Pisces 7 Watt UV Bulb is designed for efficient pond and aquarium maintenance. Made from tough materials, these bulbs effectively combat green algae, ensuring clear water. Their high-quality construction allows them to work at full strength, significantly improving your filtration system's efficiency. Additionally, these bulbs are straightforward to fit into your UV filter, making replacements easy. Following your appliance's manual for fitting ensures optimal performance, with a recommendation to replace them annually for best results.

The EgBert T5 Lamp is designed to provide effective disinfection using UV technology. Made from durable glass, it ensures longevity while being lightweight. With wattage options of 4W, 6W, and 8W, you can easily choose the best power level for your needs, making it versatile for various applications. The lamp's lengths of 148mm, 225mm, and 295mm allow for easy integration into different settings, providing you with convenient sterilisation solutions wherever required.