Pool Breeze Dichlor Chlorine Granules – 5 lb Bottle – Stabilized Chlorine Shock – Includes Scum Socks & Test StripsPool Breeze Dichlor Chlorine Granules provide a stabilized and fast dissolving chlorine source that kills bacteria, oxidizes organic matter, and helps maintain crystal clear water. This 5 lb bottle is perfect for routine sanitizing or shock treatment, and is safe for all pool types. 5 lb bottle of stabilized dichlor chlorine granules Fast dissolving and safe for vinyl, fiberglass, and plaster pools Ideal for weekly maintenance or post heavy usage shock