IWS AutoDrain Control Unit (Return Waste/Drain) Size:Standard (16mm) or nutrient absorption

or nutrient absorption

Low-molecular-weight humic/fulvic acid for chelation and improved uptake

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100 ml Green Sensation (NPK 0-9-10)

Part B provides the phosphorus and potassium plants need for strong early development and powerful flowering later in the cycle

IWS AutoDrain Control Unit (Return Waste/Drain) Size:Standard (16mm) or nutrient absorptionIWS standard control units(brain buckets) are the heart of the IWS Flood and Drain system, they feature a timer that allows the grower to control the number of flood cycles(with the Pro versions allowing control over the length of flood) within their Flood and Drain system.