Comparable to the water world other than that it seems like a stone. Watering lasts for up to three-4 days. The bottom in the stone provides a cork plug which acts like a drip dispenser. As you'll be able to see Boo Boo (the product we are calibrating) is currently https://alexanderg000kvs8.blogmazing.com/29186117/detailed-notes-on-plant-feeder-water