mixture of half vinegar and half Dawn dishsoap. shower filled with a mixture of half vinegar and half Dawn dishsoap. Use it to wipe down the shower while you are in there and your shower will always be clean.
sprinkle drops of vanilla, orange, lemon or almond extract on return air filter to scent your entire home. I so do this with my essential oils, but on a tissue with my filter! Scent throughout the house!