Currently building a lava lamp out a sobe bottle and ABS pipe connectors for a chemistry project.
First Attempt: degreaser I used didn't contain perchlorethelyne
Second attempt: had testing solutions wrong, lava was fine but didn't do anything. Also used a pastel for coloring but it did'nt do any good.
Third attempt: in progress, i'll keep you guys posted.
My First Lava Lamp was:
Bought it at wal-mart and was completely fascinated by it as I had never seen one before.
I've thought they were the coolest thing ever since.