ph/Alkalinity Up (Increaser) - 1 lb

Raising Ph/Alkalinity
1. For every 500 gallons of spa water  
a.  If pH is between 6.8 – 7.2  
    1 oz of HT pH/Alkalinity Up  
b.  If pH is less than 6.8 add 2 oz. 
2.     Allow    filtration    pump    to    run    for    1     
to 3 hours, retest and repeat Step  
1 if necessary.
For best results dissolve in bucket of 
spa water then pour into spa