Double Ended UV Bulbs

Swell's own range of T5 and T8 double ended UV bulbs have two pins at either end of the tube. Available in a range of wattages to suit all units, and the high UV output ensures your pond water is clear and algae free.

Developed to a high standard, Swell UV bulbs have a long life span and are compatible with UV clarifiers from all leading manufacturers from Blagdon to Oase. Most are available to buy on a buy two get one free offer, so you are always prepared for the warmer weather.

T8 bulbs are somewhat thicker and wider, whereas the T5 style is slimmer in appearance. Both perform equally as well as the other, however it is important to make sure you have the right size. When you remove the bulb from your unit, take a look on the tube for more information. However, If you aren't sure, contact our sales team on 0161 351 4700 for more advice.