Ph up is used to increase Ph level in your hot tub/ spa.
 
DIRECTIONS FOR USE:
Depends on your current waters PH level.  (Not sure how to test for ph? Bring a water sample into our store for a free water test.)
Add designated amount directly into hot tub & allow jets to run for 
 
Viscount label may be substituted for another name brand label in stock of the same size with the exact same chemical composition.
 
*Caution keep out reach of children*