My mother-in-law taught me this trick to clean grey dust and grime off window blinds before opening the house for spring with 0 effort. Here’s how it works

with 2 cups of warm water—not hot, just warm enough to help dissolve residue. Then I add 1 teaspoon of liquid fabric softener and swirl gently. If you pour in too much, the blinds can feel filmy afterward, so I keep the ratio small.

If I’m using a spray bottle, I spray the cloth instead of spraying the blinds directly. That’s an important difference. Spraying directly can leave drips along the cords and pool at the bottom rail, especially on wider 2-inch slats.

6. Close the blinds the smart way first