Activated Sludge Microbiology Poster

This 39 in. by 27 in. poster contains 74 photomicrographs of flocs, filaments and protozoa/metazoa plus a Causes of Filaments Table, Ranking Filament Abundance Table and Protozoa Chart. This poster is a serious working tool for operators to help assess floc characteristics; identify filament types, their abundance and cause, identify protozoa and metazoa; and use this information in operating and troubleshooting their system.