Reverse Osmosis Antiscalant in Liquid Form has a specific gravity range varying from 1. 17 to 1.23. The Antiscalant has 33 to 34% w/w solid content. The Antiscalant is completely soluble in water and comes in pale yellow liquid form. Reverse Osmosis Antiscalant in Liquid Form has a pH range varying from 3.5 to 4.5.