I have a Sundance Optima (about 500 gallons) Hot Tub which I won't use
during the Winter. Last year I kept the water in the tub and when
Spring came the water was scummy & discolored and the spa needed a good
cleaning.

I was thinking of emptying it this year and was wondering if there are
special instructions on how to prepare the spa for Winter. Or should I
simply leave the water in the spa but be sure to manage the chemical
levels over the Winter?. I live in Central, New Jersey.

Any comments or suggestions will be appreciated.

Thanks,

Sy

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