Guides
Practical guides for plant operators and buyers
How to choose and test coagulants and flocculants before you order in bulk.
PAC, PFS or alum? How to choose a coagulantHow polyaluminium chloride, polyferric sulfate and aluminium sulfate differ, which waters each one suits, and how to confirm the choice with a jar test.Read the guide · 4 min
How to run a jar test before you order a coagulantA practical jar test procedure for comparing coagulants and finding the right dose on your own water, with stock solution maths and a cost-per-cubic-metre check.Read the guide · 4 min
Choosing PAM for sludge dewateringHow to pick between cationic, anionic and non-ionic polyacrylamide for sludge dewatering, what charge density and molecular weight mean, and how to screen polymers before a plant trial.Read the guide · 4 min