7w PLS UV Bulb Triple Pack - 3 x 2 Pin Lamps for Pond & Aquarium

7w PLS UV Bulb Triple Pack - 3 x 2 Pin Lamps for Pond & Aquarium

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Three 7w PLS UV bulbs in one delivery. A UV lamp is an annual consumable, not a one-off purchase - and at this size a single bulb costs more to post than it does to make. Buying three at once means one delivery charge instead of three, and a spare already on the shelf when the water turns.

Dimensions: 115mm overall length · 2 pin fitting

Contains

  • 3 x AllPondSolutions 7w PLS UV bulb, 115mm, 2 pin

Cheaper than buying them one at a time, and one delivery instead of three.

Specification

  • 7w PLS germicidal UV-C lamp
  • 115mm overall length
  • 2 pin fitting
  • Average lifespan approximately 9,000 hours
  • Suitable for pond and aquarium use

Fits our own brand

AllPondSolutions CUV-207 steriliser. Also fits all major manufacturers' units - measure your existing bulb end to end and check it against 115mm before ordering.

When to replace it

A UV bulb stops working long before it stops glowing. The visible light remains while the invisible UV-C output fades, so a lamp that still lights up can be doing nothing for your water.

  • Sterilisation: replace every 6 months (approximately 4,000 hours)
  • Pond or aquarium clarification: replace every 12 months (approximately 8,000 hours)

On a 6 month sterilisation cycle, three lamps is 18 months of cover. Clean the quartz sleeve at every change - see our UV Steriliser Maintenance Guide.

UK Delivery - Non-pallet items

Orders are dispatched Monday - Friday.

Our Next Day last dispatch times for Monday to Friday are 3pm.

We offer a tracked 24 & 48 service using Royal Mail and Amazon Shipping for orders.

  • Tracked 2-3 Days - FREE
  • Tracked 1-2 Days - £4.00
  • Courier Next Day - £6.00

UK Delivery - Pallet items

UK Mainland Pallet Service 3-5 days - FREE
Extended Areas Zone 1 (4-7 days) - £80.00
Extended Areas Zone 2 (4-7 days) - £130.00

Important
Pallet delivery is to the kerbside (at least 2 people will be needed to off-load depending on item size.)

The couriers WILL NOT be able to assist you with moving the aquarium/terrarium or chiller onto the premises. This is due to insurance purposes.

Express next day service orders must be placed before 3pm to ensure they are dispatched that day.

Deliveries will take place between 08:00-19:00 Monday to Friday. Delivery outside of these hours may be subject to an additional fee and local depot availability.

Visit our Delivery Information page for full details.

Visit our Delivery Information page for full details.

How often do UV bulbs need replacing?

Every 6 to 12 months. A UV lamp keeps lighting up long after its useful output has gone, so a bulb that looks fine may no longer be clearing your water at all. Most pond keepers fit a new one at the start of each season.

Will these bulbs fit my unit?

Match two things to the title above: the wattage, and the pin type. PLS bulbs are 2 pin and PLL bulbs are 4 pin, and they are not interchangeable. Both are usually printed on the old bulb itself or on the ballast label of your unit.

Why buy a multipack?

It works out cheaper per bulb than buying one at a time, it arrives in a single delivery, and it means the spare is already on the shelf when the water starts to green up rather than several days away.

Should I replace the quartz sleeve at the same time?

Ideally yes, once a year. The sleeve is the glass tube the UV light passes through, and once it scales or clouds it blocks the output of even a brand new bulb. Our UV Service Kits pair the correct bulb and sleeve for each model.

How should I handle a new bulb?

Isolate the power before opening the housing, and avoid touching the glass with bare fingers. Skin oils create hot spots that shorten the lamp's life. Never look directly at a lit UV lamp outside its housing.

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