Cruise Control

Cruise Control

Automatic dosing is essential for efficient pool management…. The equivalent of switching to cruise control in your car, or even driver-free for the most advanced systems, automatic dosing is not a new phenomenon but never has it made more sense. Not only does automatic dosing offer more economic pool management, it is safer for staff, […]

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Water Savings For Hotel Group

Water Savings For Hotel Group

World Leisure (UK) Ltd is set to reduce water consumption at four pools in the Village Hotel group by an estimated 1.4 km3 (1,388m3) per year, providing significant water bill savings annually across the sites. The use of regenerative media systems, fitted in Glasgow, Aberdeen, Edinburgh and Portsmouth, still meet PWTAG (Pool Water Treatment Advisory […]

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Over 110 swimmers attended the Christmas Day Swim at Brockwell Lido last year, where the water
temperature was around 7°C.

Ideal Swimming Temperatures

How warm does the water have to be for outdoor swimming? The short answer is that there are no authoritative guidelines, as there are for indoor pools and spas. And of course, outdoor swimming can mean ponds, rivers, the sea… It can include wet suits. But here are some rough guidelines. Swimming in water that […]

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The Pool Water Treatment Advisory Group sets the record straight on peeing in the swimming pool.

Peeing In The Pool: The Facts

‘Is it true that if you pee in a pool on the continent the water turns purple around you?’ That was just one of the questions asked of PWTAG on the radio last month. PWTAG chair Janice Calvert, getting towards the end of her dozen interviews on national and local radio that morning, was able […]

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The inside of a balance tank that has just been constructed, showing inlet pipes for pool water supply
and the drop pipes from the transfer channel. Pic: Devin Consulting.

Maintaining Deck Level Balance

Balance tanks are a necessary element in decklevel pools. They ensure that the pool water remains at the optimum level for effective surface water removal under all operating conditions. Their design and maintenance are critical. There are three operating levels that must be considered in balance tank design. Firstly the maximum water level in the […]

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PWTAG’s members and technical advisers include most specialist organisations with an interest in pool water treatment and pool users.

Change Prompts PWTAG Drive

Three decades on from its inception, Pool Water Treatment Advisory Group (PWTAG) is making some important organisational changes. The election of Janice Calvert as Chair and Ralph Riley as Vice Chair at the recent AGM signalled a new emphasis on boosting membership and increasing the independent organisation’s influence in the pool sector. One key to […]

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Ireland’s first Health & Safety Seminar for Leisure & Aquatic Facilities will take place in June.

Water Safety Seminar Announced

Swimming pool safety will be the hot topic at the first Health & Safety Seminar for Leisure & Aquatic Facilities in Ireland, which takes place in June. The expert panel of speakers confirmed for the event includes Ralph Riley, Director of PWTAG, Richard Lamburn, Technical Manager at the STA, Mark Bagnall, Safety & Environmental Officer […]

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PWTAG is inviting companies in the swimming pool industry who support their standards and guidelines to apply to join the forum, with 16 signed up so far.

Support For Industry Forum

The rationale behind PWTAG’s Industry Forum is simple. We wanted to enhance our work through technical input from the pool industry – also to encourage the industry to feel is it has an active role in our work, and thus an investment in its outcomes. That’s why, two years ago, PWTAG invited about 20 key […]

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A Question Of UV Balance

Ultraviolet radiation is a secondary disinfection process, used alongside a primary disinfectant, usually chlorine, in swimming and spa pools. It is recommended by PWTAG, both for its capacity to reduce chloramines and kill microorganisms – including chlorine-resistant Cryptosporidium. Its use can reduce the chlorine residual levels necessary to keep pool water healthy. It is important […]

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Beware Pool Play Hazards

Water play equipment of all shapes and sizes poses a huge hygiene challenge to swimming pool operators. Sealed inflatables are plugged to prevent air escaping. Constant-flow inflatables, which can be big and complex, have an air blower permanently connected and running when the inflatable is in use. The materials of construction often allow water absorption […]

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