I'll start by preparing the cleaning solution for the cloudy plastic solar lights. First, gather the cleaning supplies, then mix the soap and water to create a soapy solution. To start, it's crucial to address the solar cells underneath the plastic cover. Before cleaning, make sure to wipe offany loose dust and debris with a soft, dry cloth. Once the surface is clear, use a. To clean cloudy plastic solar lights effectively, gather the necessary materials: 1. A dry, soft cloth 2. Soapy water 3. Clear nail polish or spray-on clear lacquer 4. Painting tape When your. When it comes to cleaning the solar lid of your plastic solar lights, a simple wipewith a cloth can help remove any loose dust or debris. Using a mild detergent solutionis also effective in getting rid.