Neutra Clean water-based cleaner removes dirt, grime, grease, soil, wall plaster, stains, and other related construction residue from bare concrete and coated substrates. This industrial-strength product works as an all-purpose cleaner and prepares surfaces for staining, sealing, and recoating. It is low-odor, does not contain any hazardous solvents, and is LEED-compliant. Kemiko.