How Do Diy Lava Lamps Work. Fill the rest with water leaving a little of space at the top. If using a salt shaker sprinkle it in for about five seconds.
Carbon dioxide is lighter than water so it floats up to the surface bringing a little of the colored water with it as it does. The food coloring is water-based so it will. Your choice of color.
The DIY Lava Lamp with be in constant motion as bubbles keep moving up and down through the oil but notice how the colored water and oil dont mix.
Notice that the water sinks. The theory behind a liquid motion lamp goes something like this. You will be amazed as the chemical reaction of the water and antacid tab bubbles and shoots the bubbles of colored water up through the oil. Add the food coloring colors of your choice.
