hdqC 2 is a neutral pH, quaternary disinfectant cleaner formulated to kill a broad spectrum of microorganisms on high gloss floors, walls and other hard, nonporous surfaces. Mild Enough to Use on the Shiniest Floors. Mild, neutral pH. hdqC 2 quickly penetrates and removes typical floor soils. It disinfects without damaging or dulling floor finish even with repeated use. Floor finish gloss is often actually enhanced. hdqC 2 deodorizes hard-to-keep-fresh-smelling areas such as garbage storage areas, empty garbage bins and cans, toilet bowls, and other areas which are prone to odors caused by microorganisms.