Best UV Bulbs of 2026

The QTX 20W Black Light is a powerful 20W BC black light bulb that operates at a supply voltage of 230V AC. With an external length of 140mm, it fits well in various fixtures. This UV bulb is perfect for creating a vibrant atmosphere at parties or events, as it illuminates fluorescent materials vividly. You can use it for artistic projects or even for special effects in theatre productions. It’s a great choice for anyone looking to enhance their lighting experience.

The Pisces 11w UV Bulb is a reliable choice for maintaining your pond's water quality. It should be replaced every 12 months, ensuring optimal performance. Measuring 231mm, it’s essential to check your existing bulb size before purchasing, as some units may differ. This 11 Watt PLS bulb is ideal for pond filters and UV units, providing effective UV treatment. Please note, it does not fit the Hozelock EasyClear 7500 model, so be sure to verify compatibility.

The Pisces 9W UV Bulb is an essential component for pond filters and UV units. This 9-watt ultra-violet lamp effectively helps maintain water clarity and hygiene, ensuring a healthy environment for your pond's inhabitants. It is recommended to replace the bulb every 12 months to guarantee optimal performance, providing you with peace of mind. With a length of 164mm, it fits easily into compatible systems, making your maintenance routine straightforward and hassle-free.

The DuraBulb UV Note Checkers are ideal for ensuring the authenticity of your banknotes. These 4W UV bulbs, measuring 135mm (excluding pins), are specifically designed as replacements for various UV note checkers. With a peak wavelength of 365nm, they effectively illuminate the UV marks on both polymer and paper banknotes, making it easier for you to spot counterfeits. Their long-lasting design guarantees reliability, ensuring you can check notes with confidence over time.

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 9W PLS Bulbs come as a twin pack, offering you two ultra-violet lamps that are perfect for pond filters and UV units. With 9 watts of power, these bulbs help maintain clear and healthy water by reducing harmful bacteria and algae growth. Their PLS design ensures effective UV output, giving you reliable performance. These bulbs are easy to replace, helping you keep your pond environment clean and inviting throughout the year.

The Philips TUV UVC Bulb is a 4-watt T5 germicidal bulb designed for efficient use. With a rated life of 6000 hours, it offers long-lasting performance, ensuring you won't need to replace it frequently. Measuring 148mm from pin to pin, it fits easily into compatible fixtures, making installation straightforward. Its compact diameter of 15mm allows for versatile placement in various settings, helping you maintain a clean and hygienic environment effortlessly.