... days shipment 5, 120L, 200L, 1000L package available Ferric chloride liquid is one kind of effective and economical flocculating ... . Replace the liquid or solid of Aluminum Sulphate, Poly Aluminum Chloride(PAC), Poly Ferric Sulfate(PFS) and other flocculating agent. High ... higher than PAC series flocculating agent(such as Aluminum Sulphate, Poly Aluminum Chloride ), and the websterite spot caused is ...