A capped 2-liter plastic bottle containing a clear, colorless liquid is shaken. The liquid turns a deep blue color. At rest, the liquid returns to colorless. The cycle can be repeated many times. Ask ...

99% chance they come in an orange plastic bottle with a child-proof white top. But why that standard, ugly orange? Is it so ...

Plastic water bottle caps are color coded based on the type of water: blue caps indicate "spring water"; black caps signify alkaline water; green caps signal flavored water, and white caps mean ...

The LARQ PureVis 2 is another self-cleaning water bottle. The company says the plant-based filter in the lid removes chlorine ...