Reverse Osmosis Chemicals are used to improve the performance of reverse osmosis system`s membranes. Anandi Specialities & Services manufactures Reverse Osmosis Chemicals. Anandi Specialities & Services also manufactures Reverse Osmosis System, Electrodeionization, EDI Device and Water softeners. Reverse Osmosis Chemicals come In two different types, Antiscalants and Antifoulants. The Antiscalant chemical is designed to eliminate scale and reduce fouling in membrane, regardless of the feedwater source. Antifoulants has effective control of bacterial growth and slime.