... -algae, low-temperature, low-contaminated raw water. Particularly effective for high-turbidity raw water. 7. Low dosage required, save 20 ... good capture effect and filtration speed. This is a key step for improvement of water quality. 7. SPFS is also available ... water, particularly when co-used with other auxiliaries. 8. For users adopting chemical flocculation, no further equipment is needed saving ...