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General questions: How can I contribute to the Lava Library?    Common lava lamp issues: Why is my lamp cloudy? Why is the flow bad? Why doesn't the wax stick to the coil? How do I remove/replace the cap on my lamp? Why does the wax look like it is full of chunks? Why is the wax stuck at the top of the lamp and will not fall? Why is the wax stuck to the side of the bottle? Why is the w…