PL-S UV Lamp Aquarium Pond


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PL-S UV Lamps For Aquarium and Pond Use

Osram PL-S UV lamps are high output compact lamps that can be used in a UV Clarifier or UV Seriliser for aquariums or ponds.

They are a standard size that fit many UV units.

When should you replace UV bulbs?

UV lamps loose their efficiency after around 6 month so we recommend for ponds that you replace them every spring to combat green water (algae).

For use in a steriliser after 6 months of use a replacement should be considered for optimum performance combating pathogens.

How To Change A PL-S UV Lamp?

Changing a UV bulb can sometimes be a bit difficult depending on the unit. Each unit can be a bit different so it is best to consult the manual specific to your  UV unit.

If you are struggling look out for screws that may be securing the bulk head. Take care not to damage the quartz sleeve and remember not to loose any O rings that may come loose.

How To Tell What Size UV Bulb You Need?

These UV lamps will fit many units including,  Blagdon, Hozelock, Oase, Fish Mate and more. Most lamps should have writing on them with information on what size they are. If the bulb is broken try searching the make and model of contact us for help


Need a new UV unit? Take a look at the Evolution Aqua UV’s

Additional information


5 Watt PL-S UV, 9 Watt PL-S UV, 11 Watt PL-S UV, 13 Watt PL-S UV

Delivery Information

All in stock orders placed before 12pm will be shipped the same day unless otherwise stated. Your order will be shipped via the delivery method selected at checkout.

All deliveries (excluding pallets and livestock deliveries) over £50.00 will be sent via 1-2 day courier free of charge. Orders under £50.00 will have both a 2-3 day service available at £3.95 and a 1-2 day service at £5.95 offered.

Please note that all services rely on third-party couriers to deliver on time and in good order. We will alway enever to use the best service available. At the moment this is Royal Mail, UPS and DSL. We will of course do our best to ensure that your delivery arrives when stated at the time of purchase, however, we can not be held liable for delays caused by the delivery company.

Aquarium & Pond Services