NSF Product and Service Listings

These NSF Official Listings are current as of Saturday, August 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/PwsChemicals/Listings.asp?ChemicalName=Calcium+Thiosulfate&

NSF/ANSI/CAN 60
Drinking Water Treatment Chemicals - Health Effects


 
ClearTech Industries Inc. 
1500 Quebec Avenue
Saskatoon, SK S7K 1V7 
Canada 
306-664-2522

Facility : # 3 Edmonton, Alberta, Canada


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be sued to calculate the necessary dose of calcium
    thiosulfate.


Facility : Port Coquitlam, British Columbia, Canada


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be used
    only to the extent necessary to ensure chlorine removal. Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


Facility : Saskatoon, Saskatchewan, Canada


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be used
    only to the extent necessary to ensure chlorine removal. Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

 
George S. Coyne Chemical Co., Inc. 
3015 State Road
Croydon, PA 19021 
United States 
800-523-1230 
215-785-3000
Visit this company's website

Facility : Croydon, PA


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate 30% Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Fairless Hills, PA


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate 30% Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Reading, PA


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate 30% Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


 
Hawkins, Inc. 
2381 Rosegate
Roseville, MN 55113 
United States 
800-328-5460 
612-331-6910
Visit this company's website

Facility : New Bern, NC


Calcium Thiosulfate
Trade Designation Product Function Max Use
CalThio 30 Dechlorination
Ozone Reduction		 50mg/L
Captor Dechlorination
Ozone Reduction		 50mg/L


Facility : Wilson, NC


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate Dechlorination 50mg/L
Captor® Dechlorination 50mg/L
Dechlor C Dechlorination 50mg/L 

[1] This product is to used for the destruction of residual chlorine. It should be applied
    only to the extent necessary to ensure chlorine removal. Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


Facility : Wilson, NC


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate Dechlorination 50mg/L
Captor® Dechlorination 50mg/L
Dechlor C Dechlorination 50mg/L 

[1] This product is to used for the destruction of residual chlorine. It should be applied
    only to the extent necessary to ensure chlorine removal. Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


Facility : Fayetteville, TN


Calcium Thiosulfate
Trade Designation Product Function Max Use
Captor[1] Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

 
Reliable Industrial Supply Ltd. 
50 Mumford Road
Lively, ON P3Y 1L2 
Canada 
705-692-2959

Facility : Lively, Ontario, Canada


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
Calcium Thiosulfate Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


 
Southeastern Tank Inc. DBA Solutions by SET 
60 Vesta Road
Lebanon, TN 37090 
United States 
615-466-5220
Visit this company's website

Facility : Loretto, TN


Calcium Thiosulfate
Trade Designation Product Function Max Use
Calcium Thiosulfate[1] Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


 
Tessenderlo Kerley, Inc. 
2910 North 44th Street
Suite 100 
Phoenix, AZ 85018 
United States 
602-889-8300
Visit this company's website

Facility : Eufaula, AL


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination		 50mg/L
Calcium Thiosulfate Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Distribution Center - Hanford, CA


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Fresno, CA


Calcium Thiosulfate[2]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction		 50mg/L 

[2] This product is to used for the destruction of residual chlorine.  It should be applied
    only to the extent necessary to ensure chlorine removal.  Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


Facility : Distribution Center - Granite City, IL


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination		 50mg/L
Calcium Thiosulfate Ozone Reduction
Dechlorination		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary does of calcium
    thiosulfate.


Facility : Distribution Center - Muskegon, MI


Calcium Thiosulfate
Trade Designation Product Function Max Use
Captor Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.

Facility : Kennewick, WA


Calcium Thiosulfate[2]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction		 50mg/L
Calcium Thiosulfate Dechlorination
Ozone Reduction		 50mg/L 

[2] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


 
Univar Solutions Canada Ltd. DBA Univar Canada Ltd. 
64 Arrow Road
North York, ON M9M 2L9 
Canada 
416-740-5300
Visit this company's website

Facility : Guelph, Ontario, Canada


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR Dechlorination
Ozone Reduction		 50mg/L
Calcium Thiosulfate 30% Dechlorination
Ozone Reduction		 50mg/L 

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.
Number of matching Manufacturers is 7
Number of matching Products is 28
Processing time was 0 seconds