VEVOR DWC Hydroponics Grow System, Hydroponic Growing System with Top Drip Kit, 5-Gallon Deep Water Culture with Air Pump, Air Stone and Water Level Device for Leafy Vegetables(1 Bucket+Top Drip Kit)

There is no water tank you will need to install one yourself. If this answer does not resolve your issue, please contact us again for assistance.

Sorry, we do not sell extra parts. They need to be purchased locally. If you have any questions about the product you purchased, please contact our colleagues through our email https://www.vevor.com/pages/contact-us so that our colleagues can help you solve the problem.