Castalie, based in Paris, aims to impact the water supply industry by offering a sustainable alternative to traditional bottled water. By targeting both businesses and consumers, Castalie addresses the environmental harm caused by plastic waste and provides a potentially lower-cost option. This dual advantage positions it to capture substantial market share. With backing from investors like Ring Capital, Castalie is equipped to innovate and promote broader adoption. Given the increasing global focus on sustainability, Castalie's solution aligns with current market trends, providing a solid foundation for growth.