IWS Flood & Drain Systems
Flood and drain is an irrigation technique that fills the pot with nutrient solution from the bottom. As the nutrient solution rises in the pot it forces out the air and saturates the growing media. As the nutrient solution drains from the pot, fresh air is pulled back into the growing media enriching it with oxygen - vital for healthy root growth. Frequent flooding and draining of the pot should occur in order to optimise the available oxygen in the root zone.