SPE 0111 is NSF Approved Antiscalant. SPE0111 was developed in order to effectively control scale formation under a wide range of RO operational conditions and to ensure compliance with local environmental legislation. SPE 0111 is a multifunctional antiscalant for Reverse Osmosis (RO), Nanofiltration (NF), and Electro-dialysis Reversal (EDR) systems. It is highly effective in preventing calcium carbonate scale on membranes surface. Besides, its excellent calcium carbonate scale inhibition SPE 0111 effectively controls calcium sulfate, calcium fluoride, and metal oxides scale. SPE 0111 has approvals from major membrane manufacturers. SPE 0111 is certified to ANSI/NSF Standard 60 for the production of potable water by Reverse Osmosis, nanofiltration, and EDR Systems.