Stalactite is a tap water filter and remineralizer. It is designed to provide an inexpensive and sustainable source of drinking water, with the ultimate goal of reducing the consumption of bottled water. Stalactite is composed of thirteen parts that can be assembled without the use of screws or tools of any kind. The device is intended to have a ten-year lifespan, which each of its thirteen components replaceable as needed. By providing an organic and resilient tool for purifying tap water, Stalactite encourages good health while discouraging waste.