1 a saponifier with a good surfactant package can reduce the surface tension result

Cleaning Water Soluble Flux under BGA's

Electronics Forum | Wed Mar 24 15:15:35 EST 2004 | davef

I think you can effectively clean under any other low standoff device. It's an issue of surface tension, pressure, and flow rate. DI water is the starting point, but the surface tension of straight DI water makes it difficult to get under low stand