Spa bright eliminates scale & stains caused by minerals & scale deposits in hot tub water. Also prevents new deposit build up. 
 
DIRECTIONS FOR USE:
To prevent staining, water discoloration & scale build up, add 1oz per 500 galloons after each fresh fill or once every 2 weeks whichever comes first.
 
Viscount label may be substituted for another name brand label in stock of the same size with the exact same chemical composition.
 
*Caution keep away from children*