Due to an unprecedented surge in holiday orders combined with ongoing supply-chain challenges, shipments for all orders placed between December 8, 2025 and January 12, 2026 may be delayed.

How-To and Reference Guides

Operating Procedures for all our products are available to ensure correct usage and to ensure you're getting the most out of your purchase.  We have created individual documents for each product to make it convenient to access important information via your phone or tablet, as well as being able to print hard copies.

R-CARD® Product Instructions

R-CARD® Total Count - Operating Procedure (PDF)

R-CARD® Orange Serum – Operating Procedure (PDF)
R-CARD® ECC - Operating Procedure (PDF)
R-CARD® ECC 3mL Capacity - Operating Procedure (PDF)
R-CARD® ECC-A - Operating Procedure (PDF)
R-CARD® ECC-A  3mL Capacity- Operating Procedure (PDF)
R-CARD® Coliform - Operating Procedure (PDF)
R-CARD® E. Coli - Operating Procedure (PDF)
R-CARD® E. Coli 3mL Capacity - Operating Procedure (PDF)
R-CARD® Enterococcus - Operating Procedure (PDF)                                                            
R-CARD® Salmonella - Operating Procedure (PDF)
R-CARD® Salmonella EC - Operating Procedure (PDF)
R-CARD® Listeria - Operating Procedure (PDF)
R-CARD® Yeast and Mold - Operating Procedure (PDF)
R-CARD® Lactic Acid Bacteria - Operating Procedure (PDF)
R-CARD® KwikCount® EC - Operating Procedure (PDF)


Membrane Filtration Media Product Instructions

Colichrome® MF ECC- A  - Operating Procedure (PDF)
Colichrome® MF ECC - Operating Procedure (PDF)
Colichrome® MF ECC Plus - Operating Procedure (PDF)
Colichrome® MF Coliform - Operating Procedure (PDF)
Colichrome® MF EC - Operating Procedure (PDF)
KwikCount® MF EC - Operating Procedure (PDF)


Additional Helpful and Important Information