RDWC hydroponics systems (Recirculating Deep Water Culture) are an improved or “hybrid”way to grow crops versus static DWC (Deep Water Culture Systems).  The improvement in plant growth capabilities with RDWC hydroponics, whether in greenhouses or indoors or on the patio garden stems from the fact that more oxygen (O2) can be dissolved into the nutrient solution and the fact the the hydroponic nutrient rich solution flows laterally through the bare plant roots that feed the crops up top.  This is achieved by adding a water circulation pump into the equation.  Typically, water pumps like mag-drives or submersibles used in hydroponics systems use very little power and are typically reliable, especially if there is a prefilter or inline filter used and use very little power.

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