Can you replace the liquid in a lava lamp?
Add a teaspoon of canning salt, pickling salt or Epsom salt to the water, and agitate it gently until the salt dissolves. Alternatively, you can make an Epsom salt solution outside the lamp, adding Epsom salt to cool distilled water until the salt will no longer dissolve in the water.
Can a lava lamp explode?
A lava lamp can be an attractive and fun decoration, but it can also be dangerous if used improperly. If you don’t carefully follow the safety rules, your lava lamp could catch fire or explode.