Improving water quality demands a true understanding of what is hidden in the pool and spa environment, of what is lurking beneath the surface—in piping, filters and…
Pool owners respond more intently to cloudy water than any other water-related issue due to its direct esthetic effect on the pool’s appearance. It can easily be identified by visual observation; any pool owner can recognize cloudy water and know it is an indication something…
Chlorine demand is defined as ‘the inability to maintain a chlorine residual in a pool or spa’ even after repeated application of a chlorinating product. It is one of the most frustrating problems a pool owner can experience, as continued application of product seems to make no difference in water quality or in the ability to maintain a sanitizer residual.
Among the various industries that rely on pH meters to assist in making decisions about a process, the swimming pool and spa industry certainly represents a significant one. Therefore, routine meter calibration and maintenance are important functions that…
How do pool professionals deal with cloudy, discoloured water? How about surface stains and rusty metal parts or complaints from swimmers whose hair is turning green, even when the water seems to be properly balanced. These and other symptoms…
When a customer brings in a water sample complaining about an algae problem, pool and spa professionals must ask themselves which chemical parameters to include in the subsequent test. If their answer does not include testing for nitrate nitrogen, they could be…
Ten years ago, less than five per cent of Canadian and U.S. inground pool owners had heard of salt chlorination; fewer still (less than one per cent) had salt chlorination systems installed on their pools.
However, in the U.S. today, there are an estimated 1.3 million inground pools equipped with salt systems, comprising 20 per cent of the country’s 5.2 million inground pools. In addition, more than 60 per cent of the … Continue reading Automatic chlorine generators
While water quality is vital to the safety and enjoyment of both spas and swimming pools, there are also major differences when it comes to handling hot and cool water chemistry. Understanding these differences, the impact they have on water chemistry and how to manage them will make…
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