![do lava lamps expire? I've had this for 13 years and once it's hot I get a blob stuck at the top and a big blob that slowly moves up and down do lava lamps expire? I've had this for 13 years and once it's hot I get a blob stuck at the top and a big blob that slowly moves up and down](https://i.redd.it/oqtir7h5q1a91.jpg)
do lava lamps expire? I've had this for 13 years and once it's hot I get a blob stuck at the top and a big blob that slowly moves up and down
![Lava Lite Lamp > Physics and Astronomy Lecture Support Lab > USC Dana and David Dornsife College of Letters, Arts and Sciences Lava Lite Lamp > Physics and Astronomy Lecture Support Lab > USC Dana and David Dornsife College of Letters, Arts and Sciences](https://dornsife.usc.edu/assets/sites/75/imgs/H.5.jpg)
Lava Lite Lamp > Physics and Astronomy Lecture Support Lab > USC Dana and David Dornsife College of Letters, Arts and Sciences
![Lava the Original 16.3-Inch Silver Base Lamp with Yellow Wax in Purple Liquid, Yellow / Purple / Silver - Amazon.com Lava the Original 16.3-Inch Silver Base Lamp with Yellow Wax in Purple Liquid, Yellow / Purple / Silver - Amazon.com](https://m.media-amazon.com/images/I/61XcZ1c3EqL._AC_UF350,350_QL80_.jpg)