Chemfulfill Sodium Thiosulfate � Chlorine Neutralizer (40 Pound Bucket (40 lbs))

High purity Sodium Thiosulfate (Chlorine Neutralizer). Neutralize chlorine in water. Various packaged sizes (2 lbs – 40lb pails) for both small and big projects. Packaged domestically in the United States. 🇺🇸