Hydrex 4102; • Highly effective antiscalant across a broad spectrum of water parameters • Eliminates the need for acid addition in most application • Approved under ANSI/NSF Standard for potable water production • Ability to complex and control metal ions • Proven to be more effective than competitive products under a wide range of conditions • Concentrated product to increase cost effectiveness. • Allows systems to work at higher rates of recovery Hydrex 4104 is a multifunctional antiscalant for reverse osmosis and nanofiltration systems. Hydrex 4104 is specially formulated to control silica in Reverse Osmosis systems. Besides its excellent silica scale inhibition properties Hydrex 4104 is effective in controlling calcium carbonate, strontium sulphate, barium sulphate, calcium fluoride and metal oxides.