Equivalent cleaning power of TSP. Phosphate-free. Use where phosphate cleaners are prohibited. Phosphate-free formula removes heavy deposits of greasy grime, smoke, soot stains and chalked paint on walls, woodwork and floors. Cleans, restores weathered and mildewed decks and siding. Combined with bleach to remove mildew and mildew stains. Prepares surfaces for repainting by cleaning remover sludge.