SuperStop 615 is a brilliantly simple way to stop water immediately. SuperStop 615 is and additive for ARCAN resins such as HydroBloc Integral 575 and the PUR gels Polygrout 650 and Polygel PU 660. Mixtures containing SuperStop 615 react instantly with water. This is a unique 2-step reaction. The first step is the solidification of water and the second step is the reaction of the polymer, which is responsible for the permanent waterproofing. SuperStop 615 designed for extreme leakages and heavy rushing water.