Advanced Pool Water Treatment in the Algarve
We have installed Dryden Aqua DAISY systems on pools across the Algarve since 2008. Dryden Aqua is a Scottish company with over 35 years in water treatment and over 500,000 installations worldwide. We are one of a small number of installers in Portugal offering the full system.
Dryden Aqua describes the result as drinking water quality. The DA-GEN system goes beyond traditional salt chlorination, using a combination of hydrolysis and electrolysis to produce powerful oxidants. Unlike standard systems that rely mainly on chlorine, DA-GEN generates free radicals (OH• and O•), highly effective oxidisers that destroy bacteria, viruses and organic contaminants without creating harmful by-products.
How DAISY Works
The core of the system is AFM, an activated glass filter media that replaces sand. Sand filters harbour bacteria, and over time a biofilm builds up inside them that works against you. AFM resists colonisation entirely and filters down to 0.1 micron, fine enough to strip out the nutrients bacteria need to establish themselves.
ACO, the other key component, is a chlorine stabiliser that works with the Algarve sun rather than against it. UV normally breaks chlorine down, but ACO reverses that process, so the residual chlorine in the pool lasts longer here than it would in a cooler climate.
DAISY+ and the DA-GEN
The full DAISY+ system adds the DA-GEN, a unit that generates its own disinfectant from a very low salt concentration. Designed as a complete pool management system, DA-GEN also automatically controls key parameters such as pH, filtration and dosing, with smart monitoring available via WiFi.
The by-products that come with conventional chlorine, the smell, the eye irritation, the damage to swimwear, are largely absent.
Supply and Installation
We install the full system in a single visit. AFM lasts considerably longer than sand, which keeps long-term running costs down.
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