When the first wave of news about the potential danger that BPA posed to plastic baby bottles hit the media last summer,the three partners at Adiri thought they had lost a golden moment. While their baby bottle was BPA free -- it was still in the last stages of the design process and not ready for consumers.

If the bottom of your Nalgene bottle has a number 7 in the middle of the recycling symbol, you probably want to rethink drinking out of it.Same goes for any plastic bottle. Think baby bottles in particular.