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Filtration That Guarantees Pool Water Clarity by Waterco

Filtration That Guarantees Pool Water Clarity by Waterco

Waterco ensures water clarity in one of the world's largest ocean pools
Overlooking the Atlantic Ocean is one of the world's largest saltwater pools that relies on Waterco technology to protect plantrooms and maintain crystal clear swimming conditions.

Situated on Praia Grande in the Portuguese Riveriera, the Arribas Sintra Hotel features an impressive 100-meter length saltwater pool filled directly from the sea. Built in 1966, it has since become an iconic landmark and even used as a location for U2's 2004 DVD version of their hit single 'Vertigo'.

The pool consists of two areas: one for children, with a depth up to 0.65 meters and the other for adults, with a depth between 0.80 meters and 3.95 meters. While the spectacular location provides swimmers with panoramic views of the Pacific Ocean, the corrosive coastal environment does compromise equipment.

Filtration That Guarantees Pool Water Clarity by Waterco
Constant contact with sea water caused the mild steel filters to rust, rendering them inefficient.

Replacing a rusty, inefficient filtration system

Despite carrying out a regular maintenance programme on the mild steel filters, continued contact with seawater caused the pool's filters, pumps, and metallic components to rust. Consequently, maintaining consistent water clarity and quality for guests had become virtually impossible.

"The entire system was inefficient due to being full of rust," explains CIMAI's Technical Supervisor Mario Alves. "This led to the whole technical area needing urgent intervention."

Considered Portugal's leading chemical product developer and producer, CIMAI looked for alternative equipment to achieve the following results:

  • Resolve current issues with water quality.
  • Improve the recirculation of pool water.
  • Increase circulation efficiency and flow rate.
  • Solve existing technical issues.

"We did consider a range of brands but found the thickness of the filter walls were inferior and all had metal parts in contact with water, which meant within time the issue of corrosion would repeat itself," says Alves.

Filtration That Guarantees Pool Water Clarity by Waterco
Waterco upgraded its reinforced fibreglass vessels with Titanium hardware, adding a further a layer of resistance to the aggressive sea water environment.

Waterco's sea-worthy solutions

To avoid future corrosion and costly downtime, CIMAI chose Waterco's reinforced fibreglass filters and injection moulded thermoplastic pumps to replace the antiquated equipment - all of which are free of metal parts and therefore ideal for use in saltwater installations. Consequently, the swimming pool underwent a complete refurbishment in 2019, which involved replacing the original steel filters with five side mounted SMDD2350 fibreglass wound filters designed and engineered by Waterco.

"Manufactured from the highest grade of non-corrosive materials and utilising the latest in fibreglass winding technology, Micron fibreglass filters are designed and built for many years of trouble-free operation," explains Waterco Europe Sales Director Jo Ainsworth.

Waterco's digitally controlled machine winds continuous strands of high-quality fibreglass filament under controlled tension to create a seamless one-piece vessel with refined consistency and superior quality. There are no welds or seams or special tank linings which can corrode or electrolyse.

"For this installation, we upgraded the vessels with Titanium hardware that is resistant to the aggressive sea water environment," says Ainsworth. "Waterco's Hydrostar Plus 7.5kW Commercial Pumps upgraded with silicone carbide seals suitable for sea water were also installed."

Filtration That Guarantees Pool Water Clarity by Waterco
Waterco's Hydrostar Plus Commercial Pumps incorporate the latest technology in design and construction to produce a high performance self-priming pump.

Reliable, durable commercial filtration systems

Crystal clear water quality, reduced electricity bills, and no corrosion - these are just some of the benefits of installed Waterco's Micron Fiberglass Filters and Hydrostar Plus Pumps.

Visit www.waterco.com.au for more information.



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02 9898 8686

36 South Street, Rydalmere, NSW, 2116

Waterco Limited Profile

02 9898 8686

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