Spa Owner's Manual
4
Portable Spa Site Preparation
Your spa needs a solid and level foundation. The area that it sits on must 
be able to support the weight of the spa, with water and the occupants who 
use it. If the foundation is inadequate, it may shift or settle after the spa 
is in place, causing stress that could DAMAGE YOUR SPA SHELL AND 
FINISH.
Note: Damage  caused  by inadequate or improper  foundation  support is 
not covered  by  the  warranty.  It  is  the  responsibility  of  the  spa  owner  to 
provide a proper foundation for the spa.
Place  the  spa  on  an  elevated  foundation  (preferably  a  3”  -  4”  concrete 
slab).  Pavers,  gravel,  brick,  sand,  timbers  or  dirt  foundations  are  not 
adequate  to  support  the  spa.  If  you  are  installing  the  spa  indoors,  pay 
close attention to the ooring beneath it. Choose ooring that will not be 
damaged or stained.
If you are installing your spa on an elevated wood deck or other structure, it 
is highly recommended that you consult a structural engineer or contractor 
to ensure the structure will support the weight of 150 pounds per square 
foot.
To properly identify the weight of your new spa when full, remember water 
weighs  8.33  lbs.  per  gallon.  For  example,  an  average  8’ spa  spa  holds 
approximately 500 gallons of water. Using this formula, you will nd that 
the weight of the water alone is 4,165 lbs. Combined with the dry weight 
of the spa you will note that this spa will weigh approximately 5,000 lbs. 
when full of water.
Note:  It  is  strongly  recommended  that  a  qualied,  licensed  contractor 
prepare the foundation for your spa.
Your Cal Spas
®
 retailer can help you with your foundation and more. Your 
retailer has a wealth of information and experience about how to get the 
most out of your spa and can provide you with a full line of accessories 
that are designed to complement your spa and increase your enjoyment.
In-Ground Spa Site Preparation
Ensure there is enough room for the spa and equipment.• 
The  equipment  pack  must  be  located  within  a  maximum  of  15  feet • 
from the spa.
Plan for proper electrical and gas service to both the equipment area • 
and spa side.
Ensure  the  required  at,  level  foundation  can  be  constructed  in  the • 
area chosen.










