Important Announcement to all HACH SteriChek Test Strip Users

Hach Company is voluntarily recalling its SteriChek “Sensitive” Total Chlorine and Residual Chlorine Reagent Strips. Hach Stock Number: 811909, MCP Part Number 185-40-048.

If you have these test strips and have purchased them through Mar Cor Purification, please contact Customer Service at 800-752-1402 to obtain a Return Material Authorization (RMA) Number and return the affected lot numbers of test strips to Mar Cor. Serim HiSense Test Strips are available as an acceptable replacement until the issue is resolved. The MCP part number for this item is 185-40-029.

We apologize for any inconvenience this recall may cause and we will do our best to ensure you are able to purchase and receive replacement testing supplies to meet your needs.

Download the Recall Letter and Return Form here