Available for just $30 on Amazon, the Hidrate Spark TAP Smart Water Bottle uses a clever LED base that lights up to remind you to drink up. Pair your phone to the bottle’s NFC Smart Tag and ...

It stinks. Because you don't wash it. The LARQ bottle takes care of that too. The LARQ bottle has a 280 nanometer UV-C LED light that zaps and neutralizes up to 99.99% of bacteria and viruses.

The ultraviolet light interacts with microorganisms, destroying their DNA, which renders them harmless. To use, the 0.75-liter bottle is filled at a stream, faucet or spigot, and then capped.