Deep Cleaner - Nu-BioscrubTM Environmentally friendly washroom deep cleaning is finally possible. No more acids needed! Nu-BioscrubTM Descales, cleans surfaces and removes soap scum & scale residue in baths, showers, toilets and urinals without damaging the surface or destroying the protective porcelain. It also eliminates bad odours and prevents obstructions in drains and pipes. 100% environmentally friendly, nature