 
BioGuard Lo 'N' Slo™ is a granular product designed to decrease Total Alkalinity and pH levels in pool water to prevent cloudy water, scale formation, high acid demand and poor chlorine efficiency.
Broadcast Lo 'N' Slo into deep end with pump running, allow to circulate for 2 hours.
Do not add near metal fittings, or allow Ph to drop below 7.2