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Flood & Drain

Flood & Drain Flood and drain systems are the easiest hydroponic systems to use. Nutrient solution is pumped from a lower reservoir up to a growing table which is filled with Hydroton, perlite or other growing media. As the pump switches off, this allows the table to drain. The drain cycle adds oxygen to the reservoir and growing table. The media holds moisture in between feedings so the roots do not dry out between cycles.