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Why a hot tub cover needs replacing?

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sergey:
Hello all.
I have a question : why a hot tub cover needs replacing?
Does it mean that there is no technology to isolate a cover from any water getting inside ?
Sorry if it is a stupid question :)

Dr. Spa™ Ret.:
Eventually everything wears out and needs to be replaced.

Chlorine, bromine and other chemicals used in a hot tub eventually break down the water barrier in a cover, allowing it to then absorb water. Is there technology to prevent this? Of course. You still have to worry about ALL the other aspects of the cover breaking down. Are you willing to spend $2000 for this cover? Unlikely.

Consider, over the life of a spa, it'll go through 3 or 4 quality covers. The first comes with the spa, 3 more can be had for $300 - $400. At that point you'll probably be replacing the spa, and need a different size cover. There's no feasibility what so ever in trying to create the perfect ever-lasting cover.

sergey:
I see - So the problem is Chlorine, bromine and other chemicals ....
in this case maybe it is easier to change wrapping water barrier  every 2 years to prevent the issue?
Visual wearing problem is obvious but not that critical.
Just found hard cover but looks like not all spa brands offer them ...

Dr. Spa™ Ret.:
And how would you change the  wrapping water barrier? To do it properly, so it lasts, it needs to be properly heat sealed in one single continuous seal. That takes a sealing machine at least 9' long (weighs about 1500 pounds and costs $15k to $25k). So, you'd need to take your cover someplace to have it done, or you could just ship off the cover, have it done and then shipped back to you. Problem, the cost of the shipping both ways would exceed the cost of an entire brand new cover.

Be careful with the "hard" covers. There's been a number of them over the years and they've each had their problems that have caused most of them to go out of business. The few left, are mostly new companies that haven't really proven they can last in a real world environment. The only one I know that has a history of lasting is Be-lite. But it's a $1500 cover that weights a ton. $1500 would more than pay for all the covers that would be needed over the life of most spas/

Tman122:

--- Quote from: sergey on December 07, 2015, 01:13:55 pm ---I see - So the problem is Chlorine, bromine and other chemicals ....
in this case maybe it is easier to change wrapping water barrier  every 2 years to prevent the issue?
Visual wearing problem is obvious but not that critical.
Just found hard cover but looks like not all spa brands offer them ...

--- End quote ---

A worse problem than chemicals is the elements outside. Harsh sun, heat, cold, rain, snow, wind and people.

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