With a majority of professional cleaners using the Hydro-Force injection sprayer or similar devices, there has been a concern about an acid side pH rinse taking down the cleaning power of an alkaline prespray. Flex ICE has been tested and proven to not diminish the cleaning strength of the prespray when using a Hydro-Force sprayer. In fact, it is reported it actually adds to the cleaning ability. Flex ICE is actually good for your equipment. Not only will it keep hard water scaling from forming in the solution lines, it has special additives that protects steel, brass and copper. It has been tested over hundreds of hours of use with no deterioration to metals. Your dream cleaning emulsifier is now here! Flex ICE sets a new standard for best overall value of any rinse products on the market.