Foamstop 600N is a water-soluble foam control agent comprising a proprietary blend of polyalkylene glycols and surface-active components. It is suitable for applications in the paint, printing ink, floor polish, cleaner, aqueous hydraulic fluids, and metalworking fluid industries and is effective at 0.05 to 0.5% wt. on total formulation. This biodegradable defoamer is effective over a wide pH range (2 to 12), does not contain mineral oil, amines, nitrates, or fluorides, and ensures no turbidity in clear systems.