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One of the most important pieces of information you can
have for your spa is the water volume in gallons.
Whether you’re adjusting pH, shocking, or adding
PristineBlue®, knowing the accurate water volume is
essential to make sure you’re adding the right amount of
product. Using too much or too little of some products
can actually cause a problem to develop or get worse!
In a spa, with its irregularly shaped seats and wells,
the easiest way to determine volume is by fill time.
Time how long it takes you to fill the spa, then using
the same hose and water pressure, time how long it takes
you to fill a one-gallon container. Divide the number of
minutes it took to fill the spa by the number of minutes
it took to fill the gallon, and you’ll get a fairly
accurate water volume in gallons. EXAMPLE: It took 30
minutes to fill a spa. You filled a gallon in 6 seconds,
or 0.1 minutes. 30 divided by 0.1 equals 300 gallons.
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