How do we protect our solar lights?

Pamela
by Pamela

We keep our garden solar lights outside all year round , through all seasonal conditions . After a year or so , the solar panel part gets hazy or cloudy looking . The light will still work , but gives off a duller light . Does anyone know if there is a way to prevent this from happening , an oil or conditioner I can apply when I first buy the lights ? Or a way to clean Them ?

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