Stalactite is a tap water filter and remineraliser. 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 13 parts. These pieces can be assembled without the use of screws or tools of any kind. The device is intended to have a ten year lifespan, with each of its 13 components replaceable as needed. By providing an organic and resilient tool for purifying tap water, Stalactite encourages good health while discouraging waste.