Aeration Tank Foam Control BWF160 Foam Suppressant for Wastewater Aeration Tanks Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview Continuous air input can turn low concentrations of surface-active contaminants into large volumes of persistent foam. BWF160 is intended to break existing bubbles quickly and slow their return under continued agitation. Why Foam Control Matters In wastewater aeration tanks, uncontrolled foam is not