The hozelock aquasolo watering cones are made from patented ceramic and offer an innovative way of caring for precious plants both in the home and garden when you are away this simple self watering system made up of a ceramic cone and a plastic screw adaptor is easily assembled in a few minutes a reusable reservoir aquasolo can also be used to provide hungry plants with liquid feed and is great for greenhouse and house plants alike the watering cones are compatible with most bottle types from 05