Leisure Time 22338A Spa Down pH and alkalinity decreaser, 2.5 lb containerLeisure Time Spa Down, 2.5 lb, 22338A In stock$1699
Leisure Time 22338A Spa Down pH and alkalinity decreaser, 2.5 lb container
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Leisure Time Spa Down, 2.5 lb, 22338A

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$1699
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Quick overview

  • Lowers pH and total alkalinity The balancer to reach for when a spa reads above 7.8.
  • Sodium bisulfate A single active ingredient, in a granular form that dissolves fast.
  • Works with any sanitizer Compatible with bromine, chlorine, ozone and biguanide systems.
  • Helps the sanitizer work Sanitizer loses effectiveness at high pH, so bringing pH down makes the chemical you already added do more.
  • Dose by volume A quarter ounce per 500 gallons, then circulate for 30 minutes and retest.
  • Prevents scale and cloudy water High pH is what drives scaling and the cloudy, dull look that follows it.
Full description and specifications ↓

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Product details

Leisure Time Spa Down is a 2.5 lb container of fast dissolving sodium bisulfate granules that bring pH and total alkalinity down in spa and hot tub water.

When to use it

Spa water should sit between 7.2 and 7.8 pH. Above 7.8, scale starts forming on the shell and the heater, the water goes cloudy or takes on a color, and the sanitizer you are paying for becomes noticeably less effective. Spa Down is the correction for that reading.

How to dose it

Turn the equipment off and pour a quarter ounce directly into the water for every 500 gallons in the spa. Switch the circulation back on for 30 minutes, then retest. If the pH is still above 7.8, repeat the same step rather than doubling up on the first dose. Always read the product label and follow the directions on it.

Compatibility

The granules work alongside every common sanitizer system, including bromine, chlorine, ozone and biguanide, so it fits whatever program your spa is already on.

Specifications
Brand Leisure Time
Manufacturer part number 22338A
UPC 785336304311
Size 2.5 lb
Active ingredient Sodium bisulfate
Form Fast dissolving granular
Function Lowers pH and total alkalinity
Target pH range 7.2 to 7.8
Compatible with All sanitizers including bromine, chlorine, ozone and biguanide
Application Pour directly into spa water
Dose 1/4 ounce per 500 gallons of spa water
Shipping weight 2.65 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

How much do I add?
A quarter of an ounce for every 500 gallons of spa water, with the equipment off. Run the circulation for 30 minutes, retest, and repeat if the pH is still above 7.8.
What pH should I be aiming for?
Between 7.2 and 7.8. Above 7.8 you start getting scale and cloudy or discolored water.
Will it interfere with my sanitizer?
No. It is compatible with all sanitizers, including bromine, chlorine, ozone and biguanide, and low pH actually makes them work harder for you.
Does it lower alkalinity as well as pH?
Yes. Sodium bisulfate brings total alkalinity down along with pH, which is why a spa with both readings high often needs only this one product.
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