Have you noticed that your garden solar lights are dimming and a battery change does nothing to improve it? Take a look–Are the plastic panels opaque? That could be the problem. Sunlight can’t penetrate to charge the lights.
Mark Kriegsman shared a simple solution for this on his blog. First, he explains the different things they tried to make the plastic clear again. None of those ideas worked long-term. Then his daughter came up with the perfect fix. It is inexpensive and quick to apply. Oddly enough, it was the only thing needed to resolve the problem. There was no additional cleaning or polishing to be done. Readers commented that this fix, with a tweak in material, even works on dull car headlights. See how to make your solar garden lights work like new again when you click the link below.