How Long Does an Alka Seltzer Lava Lamp Last? Key Facts
A homemade Alka-Seltzer lava lamp typically fizzes for about 3 to 5 minutes per tablet. Once the tablet fully dissolves, the bubbling slows down and the show basically ends. The keyword here is how long does Alka Seltzer lava lamp last — and the short answer is: just a few minutes, though you can keep…
