VEVOR Hydroponic Grow Kit 36 Sites 4 Pipes Hydroponic Planting Equipment Ebb and Flow Deep Water Culture Balcony Garden System Vegetable Tool Grow Kit

It has a timer.

Hello Greg, This product doesn't include tank. The water tank can be placed under the outlet, as long as it can be put  down.

Here is the manual. You can refer to it. https://we.tl/t-lhXLGtK1l5