While we hate to hear that anyone
closes their hot tub spa down in the Winter, we do realize that
approximately 25 % of people do.
If you do not like to use your spa outside in
the winter, then this is the time of year to properly close it. The
main reason for winterizing a spa is to stop any water from freezing
inside either the spa shell, the pipes or the equipment - and
causing serious damage by cracking your unit (water expands when it
One fact that many people forget when they
close their spa is that the seam in the middle of the
"hard" thermal cover is not completely water-tight. Rain
water and melting snow can drip right through, into the spa ! When
it gets cold again, this water will freeze and will e-x-p-a-n-d.
This may actually crack the acrylic shell. You could check your spa
in the middle of the winter, only to find that the tub you thought
was completely drained is now half full of frozen water !
To avoid this situation, it is recommended to
place a "Winter Spa Cover" over your "hard" spa
cover. The Winter Covers are made of a waterproof, lightweight
tarp-like material and are even large enough to cover the wood
cabinet of portable spas. No water can get through them.