7ae5a085_Lesson_8__Filamentous_Bacteria__Effect_of_Problem
[Name of Problem] Pin floc (or pinpoint floc) [Cause of Problem] Small, compact, weak, roughly spherical flocs are formed, the larger of which settle rapidly. Smaller aggregates settle slowly. [Effect of Problem] 
Low sludge volume index (SVI) and a cloudy, turbid effluent.
Lesson 8: Filamentous Bacteria
Effect of Problem