Indicating Silica Gel changes colour to show when it is spent. Orange turns green, and blue turns pink. This makes it easy to see when the silica gel needs to be replaced or reactivated.
How do I know when Indicating Silica Gel needs replacing?

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Indicating Silica Gel changes colour to show when it is spent. Orange turns green, and blue turns pink. This makes it easy to see when the silica gel needs to be replaced or reactivated.

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