Swimming Pool & Spa Water Treatment

A well-maintained pool or spa is defined by its water quality. Poor water chemistry is not just an aesthetic problem - it creates genuine health and safety risks for users, accelerates damage to pool infrastructure, and can result in regulatory enforcement action for operators. Getting it right requires the right equipment, properly specified and consistently maintained.

Hydrotec provides water treatment systems for commercial swimming pools, hotel and resort pools, leisure centres, spas, and hydrotherapy pools.

Inadequately treated pool water creates conditions in which harmful bacteria, algae, and pathogens can proliferate. Poorly balanced water also causes discomfort to swimmers - eye and skin irritation, strong chlorine odour, and cloudy water are all symptoms of poor water chemistry rather than, as is commonly assumed, too much chlorine. In fact these are typically signs of insufficient sanitiser, incorrect pH, or inadequate filtration.

For commercial operators, pool water quality is subject to regulatory oversight in most jurisdictions. In the UK, the Pool Water Treatment Advisory Group (PWTAG) publishes the widely adopted technical standards for pool water treatment, and local authority environmental health teams inspect commercial pools against these benchmarks. Across the Gulf, operators are equally subject to municipal health authority requirements. Failure to meet required standards can result in enforced closure, with the reputational and financial consequences that come with it.

Outdoor pools in hot climates face intense UV exposure and high bather loads relative to volume, driving rapid chlorine degradation and making consistent dosing critical. Indoor pools generate significant quantities of combined chlorine (chloramines) - the compounds responsible for the characteristic smell often associated with pools - which require active management through ventilation and water treatment. Spa and hydrotherapy pools operate at elevated temperatures that accelerate bacterial growth and chemical consumption, requiring more intensive treatment regimes and more frequent monitoring relative to their volume.