EXPERT ADVICE

Installing pools in different ground conditions

Generally, expansive soils are clays that exhibit a disproportionate affinity for water and, as a result, the pores within the soil fill with water causing mass expansion. This effect is sometimes reported by the testing laboratory as potential vertical rise (PVR). The PVR, which can reach 152 to 305 mm (6 to 12 in.) in some extremes, is a worst-case scenario based on the thickness of the expansive layer,...
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WEATHER
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EXPERT ADVICE

Maximizing pump efficiency with variable orifice pool returns

Since the introduction of variable flow technology and the understanding of affinity laws, many consumers, as well as energy policies, have started to focus on introducing energy-efficient systems to the swimming pool environment. With both variable- and two-speed pumps taking the lead role in this new ‘eco-revolution,’ both pool...
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CASE STUDIES

Creating a new pool/spa service program can increase profits

It is important for pool/spa service companies to continuously offer new services to help increase profits and grow the business by distinguishing themselves from competitors. One way this can be achieved is by adding a water treatment program using specialty chemicals.


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