Circulating Water Foam Control BWF160 Defoamer for Circulating Water Treatment Systems Product ModelBWF160 Ionic CharacterNonionic pH6-8 Reference Dosage50-300 ppm Application Overview Recirculation concentrates surfactants and repeatedly entrains air at pumps, waterfalls, nozzles and return channels. BWF160 is designed for circulating-water treatment and can be added at a high-turbulence inlet for rapid distribution. Why Foam Control Matters In circulating water systems,