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The Guide to Choosing Underwater Lighting | Asiapools

One of the more overlooked components in a pool system is the underwater lighting which is capable of transforming your outdoor space from ordinary to extraordinary, especially after nightfall! Design and aesthetics aside, besides the element of safety that they add by adequately illuminating the surrounding area, underwater lights extend the pool’s useable period past sunset by providing illumination after the sun has gone down. Typically scheduled to operate between 6 – 12 hours a day, underwater lights are an integral part of the pool system and can give pool owners much to consider as they choose from the three main types of pool lights – incandescent, halogen and LED.


Incandescent lights are the first iteration of underwater lighting technology, generating light by heating a filament inside the bulb until it glows and emits a warm bright yellow light, limiting colour options to a choice of only “warm white” and “cool white”. As this light is produced by heat, incandescent bulbs are extremely poor in terms of energy efficiency and lifespan, generating more heat as a by-product than illumination, as shown by its low brightness level of 700 lumens.


Halogen lights, also known as Compact Fluorescent Light (CFL), are the evolution to the incandescent lightbulb, with illumination produced by passing electricity through a halogen gas. This process generates a ‘torch white’ light which can be easily masked with other coloured lenses, producing a myriad of colour options. Compared to their incandescent predecessors, halogen lights became the popular light of choice for pool owners when they became available on the market due to their improved energy efficiency, longer lifespans of 8,000 hours and brighter illumination of 800 lumens.

LED (Light-Emitting Diode)

Light Emitting Diode (LED) technology is the latest technological advancement in underwater lighting with a bright and deep glow produced by combining electrons in the semiconductor to produce light photons. With improved control and customisability, LEDs can be made to produce a variety of aesthetic effects such as fading/dimmed in a multitude of colours. Whilst also being cheaper to produce, LEDs have significantly lower power consumption and are capable of producing 4,800 lumens of brightness with a lifespan of more than 30,000

Which One Is the Best? LED, Halogen, Or Incandescent?

LEDs are the clear choice when it comes to choosing what type of lighting to use for your underwater pool lights. Thanks to technological advancements in the field, there are underwater lights available which can be retrofitted to existing light niches in your pool, making the process of switching over to the more effective and efficient option even easier. Not only will the energy efficiency of LEDs save you electricity costs in the long run, the minimised carbon footprint contributes to sustainability and a reduced environmental impact.

If you need more pool lighting advice, feel free to contact us. Asiapools has got you covered from pool equipment to pool construction. Let’s get ready to make a splash with us.

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