User Manual

Total Alkalinity
Total alkalinity acts as a buffer to prevent the pH level from changing
as additional chemicals or other substances are added to the water.
Any uctuation above or below the recommended range of 80-120 parts
per million (ppm) may cause the pH to be unstable which can lead to
corrosion, cloudy water or scaling. When the total alkalinity needs
adjusting, use Leisure Time® Spa Up, Leisure Time® Spa Down or
Leisure Time® Alkalinity Increaser.
pH
It is critical that the pH of your spa water stay within the range of 7.2 –
7.8. Any uctuations above or below this range can cause spa water to be
corrosive or scale forming. pH is easily adjusted by using Leisure Time®
Spa Up or Leisure Time® Spa Down. For added convenience, use Leisure
Time® Liquid Spa Up or Leisure Time® Liquid Spa Down.
Once the pH is in the
ideal range, Leisure Time
Spa recommends adding
Leisure Time® pH Balance
Plus to the circulating
water to lock the pH in
place for the next three
months. This product is
available at your local
retailer. Please note that
when using Leisure Time®
pH Balance Plus, your total
alkalinity reading may no
longer be in the range of
80-120 ppm, but no adjustment is needed because it has special buffers
that are doing the work for you.
Calcium Hardness
Spa water requires some calcium to be present. The recommended
range for calcium is between 150-400 ppm. Calcium levels outside this
range can cause scale buildup, foaming or corrosion of equipment and
plumbing. To raise the calcium level, use Calcium Booster. The only way
to lower the calcium level is to drain part of the water and replace it with
softer water. Using a sequestering agent such as Defender will prevent
calcium and scale formations by chemically bonding with the calcium to
keep it in solution.
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