To increase alkalinity of spa water.
 
DIRECTIONS FOR USE:
Should be added only when necessary to increase the alkalinity of water. Approximately 1 1/4 Tbs will raise 250 gallons of water by 10 ppm. Water should be between  90-150ppm.
 
*DO NOT mix with other chemicals.
 
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 of reach of children*