Leisure Time Alkalinity Increaser

Item #: ALK

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Available for:
Same Day Pickup

Available for:
Same Day Delivery

Same Day Delivery

Place your order before 2:00 PM and we'll drop it off on your doorstep today! Orders placed after 2:00 PM will be delivered the next day. Every delivery includes a free digital water analysis.

Same Day Pickup

Place your order before 2:00 PM and we'll have it ready for pick-up today. Orders placed after 2:00 PM will be ready the next day.


Sunplay - Ogden
216 N 700 W
Building 4C - Bay 5
Ogden, UT 84404
Store hours:
9am - 5pm, M-F

Las Vegas

Sunplay - Las Vegas
2950 E Sunset Rd
Las Vegas, NV 89120
Store hours:
10am - 6pm, M-F
10am -4pm, Weekends

Item Details

Leisure Time Alkalinity Increaser - 2 Pounds

Alkalinity Increaser by Leisure Time will raise the total alkalinity in your hot tub. Maintaining proper alkalinity levels will help to prevent pH imbalance and protect your hot tub equipment from damage and scale buildup.

It is recommended to keep the alkalinity level in your hot tub between 80 and 150 ppm. Alkalinity increaser is compatible with all sanitizing systems.

Directions for use:

  • Use as need when the alkalinity in your hot tub tests below 80 ppm. 
  • 1. Add 1 ounce (2 tablespoons) of alkalinity increaser to the hot tub.
  • 2. Allow water to circulate for 30 minutes. 
  • 3. Retest water and repeat steps 1 and 2 until total alkalinity reaches the desired level.


  • Sodium Hydrogen Carbonate - 100%

Leisure Time Alkalinity Increaser

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