How to Build a DIY Ebb and Flow System from Scratch (Guide)
Home > Hydroponic Systems > How to Build a DIY Ebb and Flow System from Scratch Last Updated: July 11, 2026 | Fact Checked By: Current Gardening Editorial Team Quick Answer: What You Need for DIY Ebb & Flow To build a basic Ebb and Flow (Flood and Drain) system, you need two plastic containers (a shallow upper tray for the plants and a deep lower reservoir for the water). You will also need a submersible water pump, a digital timer to control the flooding schedule, and two bulkhead fittings (one for the pump inlet, and one as an overflow drain). The timer turns the pump on to flood the…