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Blue Lagoon UV-C sterilizer and ionizer, 40 W/35 m3

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Disinfection using ultraviolet radiation is a technology that is increasingly being used to improve the treatment of drinking and pool water. The principle of disinfection involves the photochemical damage of RNA and DNA, proteins, enzymes, or other biologically significant macromolecules.

The effectiveness of disinfection depends on the dose of UV radiation, the type of UV lamp used, and their arrangement in relation to the flow direction of the treated drinking or pool water. To select the appropriate type of UV device, it is necessary to determine and ensure the required dose of UV radiation, which depends on the flow rate and quality of the water in terms of its transparency, i.e., the concentration and type of dissolved and undissolved substances that affect the reflection and absorption of UV radiation.

Low-pressure monochromatic UV lamps emit UV radiation with a wavelength of 254 nm. The intensity of emitted UV energy is only at one level and is strongly dependent on the temperature of the treated water and the flow rate. Consequently, this type of low-pressure UV lamp only has germicidal effects.

The combination of UV radiation with other treatment technologies leads to high water quality. The advantage is the reduction of operational requirements, the savings in dosed chemicals, and safe and easy operation in automatic mode. The disadvantage is the possibility of secondary contamination, so UV radiation alone is not suitable for hygienic protection. In practice, it is therefore combined, for example, with chlorination.

ModelMax. flowIntensity of radiationNumber of UV lamps: powerConnection DNReactors length

40W/35 m3 23 m3/h30 mJ/cm21 x 40 WD63-50 mm943 mm


  • The lamp is hermetically sealed in a housing
  • UV radiation is deadly dangerous for the absolute majority of organisms. We use it to destroy algae, parasites, molds, viruses, yeasts, and bacteria present in water
  • The lamp and quartz sleeve last for two seasons with it being used for 12 hours a day for 6 months in a year. The device automatically signals the need to replace this set


This product has 12 month warranty. In the event of a product breakdown within the warranty period, you should contact us as soon as possible.

The Buyer has the right to make his defective goods claim within 12 months of accepting the goods. If a defect manifests itself within six months of the Buyer accepting the goods, such goods are presumed to be defective at acceptance unless the Seller proves otherwise.


Should you require any further information, please email where we will respond to your request quickly.

More information Terms and conditions


This product is in stock at our warehouse and is ready for Standard or Express delivery Service.

Delivery – Mainland UK

Delivery Times: - Standard delivery: 1-2 weeks

Most of our products, when ordered by 12 PM  Monday to Friday, will be dispatched for next-day delivery . In cases where items are not in stock or are special orders, delivery times may be longer.

Rest assured, we will contact you beforehand to provide an estimated delivery date.

If you have specific delivery instructions, such as gifting or a required delivery date, please include them in your order.

 If your billing address is different from the delivery address, you can provide the latter separately in the order form. We will accommodate the delivery address if possible under contractual conditions.

Please note that some areas of Scotland, Northern Ireland, the Isle of Man, and the Isle of Wight may incur extra carriage charges.

Please check your delivery

If you sign for a delivery as "OK" and later discover that it's damaged, our carriers will not accept liability, and you may be charged for the damaged items. In such cases, we will make a delivery charge for replacement items.

Please sign for your delivery as "UNCHECKED" if you're unable to thoroughly check it upon receipt. If there is any damage to the package, no matter how small, please sign for it as "DAMAGED". We cannot make claims for any damaged items that haven't been signed for as "UNCHECKED" or "DAMAGED".

If you sign for your goods as "DAMAGED", please notify us within 72 hours by email at

More information Terms and conditions

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