Excellent for outhouses as it neutralizes odors, deters flies, and helps break down waste, typically applied as a scoop or cup sprinkled over solids in the pit after use. While it helps control smells and insects, ensure it doesn't contact the seat to prevent skin burns, and consider adding sawdust or wood ash for extra odor control and absorption. Hydrated lime also makes a traditional, breathable whitewash (limewash) when mixed with water, creating a natural, inexpensive coating for barns, coops, and masonry that hardens to a bright white, resisting pests and fungus.