Sparkle PH Decreaser 1.5 LB for Hot Tubs & Spa's*1 ounce per 1,000 gallons*100% Sodium bisulfate & eliminates scaling*Test water every 24 hours until PH is brought to proper range*Satisfaction Guaranteed*Poolife Pods - Calcium Plus (4lb)*Water Soluble Pod
Item# : SPM14710843032
Model # : Z42VRTY