PREVI® COLOR GRAM
Color your lab in confidence with the PREVI COLOR Gram Stainer
Traditional Gram staining is a cumbersome procedure that lacks reliability and reproducibility. PREVI® COLOR GRAM is an automated Gram staining system that utilizes patented spray technology to provide rapid, standardized results for all types of samples while adding efficiency to the microbiology testing process.
- Standardization & efficient workflow for maximum productivity
- Fast, reliable and objective results
- Full traceability for compliance
- Customized flexibility
- Clean and safe


PREVI® COLOR GRAM Stainer automates staining for accuracy, faster time-to-results and full traceability, supporting your quality standards. Designed for intuitive workflow, it gives you confidence in the results you provide and makes Gram staining easy and safe.
Finished products
Environmental samples
Bacterial platelet quality control
Pharmaceuticals – Traditional and Bioproduction
Advanced Therapies and Medicines Products
Food and Beverage

Fully automated process from fixation to slide drying |

User-friendly interface and workflow for efficient staining |

No cross contamination – each slide separated & fresh staining reagent used each time

Full traceability of reagents, users, maintenance, and slides

Single or batch slides possible

Standard 12-slide capacity, upgradable to 30-slide capacity

Ready-to-use, closed reagent bottles

Self-contained waste system

Automated cleaning after 3-hours shut-off