- 1). Dispose of a small amount of latex paint by simply leaving the lid off the can and letting the paint dry by exposing it to the open air. This usually takes about one week in a well-ventilated area. This process can be used for unwanted paint that measures less than 2 inches in the bottom of a paint can.
- 2). Dispose of larger amounts of paint by mixing in equal parts of cat litter or a commercial paint hardener to the unwanted paint. Use the paint stirrer to thoroughly mix the paint and litter together and let dry for about one week in a well-ventilated area.
- 3). Once the paint is dry, place the paint can with the lid removed in your normal trash. Make sure the lid is off so the garbage collectors can verify that it contains only dried paint. Garbage collectors will not pick up wet paint.
- 4). If you have a large amount of unwanted paint, contact your local hazardous waste disposal or health department for drop-off locations.
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