... wide range of PH value, does not cause harm to equipment, a great water purifier, clears up SS, ... water, waste water, and industrial water.Methods on how to use Pac is as following : 1: add the ... the percentage of 1:3, then dilute it to whatever concentration you desire with 10-30 times ... Industry waterLiquid Solid Liquid SolidFirst-rate Up to standard First-rate Up to standard (AL2O3)%>= 10.0 10. ...