Spa shell – Is it important?

The spa or swim spa shell is probably one of the most important things to look at when it comes to buying a spa. Why? Well think about it, the shell must endure the outside tempretures from below 0 to over 40 degrees celcius, At the same time the tempreture of the water will more than likely be the opposite so in winter it may be 2 Degrees outside and the spa pools tempreture may be set at 39 Degrees.This puts a heap of stress on the shell and all to often poor quality spas...

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