IWS Flood & Drain Standard 16mm System

The IWS Flood & Drain Standard is the perfect entry-level automated nutrient delivery system for serious growers. Fully modular and expandable, it floods your pots with precision-timed nutrient solution and drains automatically — so your plants get exactly what they need, exactly when they need it, without you lifting a finger between feeds.Set it up once, dial in your timer, and let the system do the work. Whether you're running coco, clay pebbles, or rockwool, the Flood & Drain Standard handles it all. Choose your pot count below — each configuration includes everything you need to get started.What's Included IWS Brain Control Unit (central hub) Outer pots with punched inner pots (quantity per selected configuration) 16mm pipe and fittings Fixed 15-minute segmental timer 1 x flood pump (1000 L/h) and 1 x drain pump (1000 L/h) IWS FlexiTank (size per selected configuration) Key Features 16mm pipe system for reliable, consistent flow Fixed integrated timer — simple, reliable, no remote needed Punched inner pots for excellent drainage and root development Fully modular — expand at any time with an IWS Add-On Pot Module Compatible with coco, clay pebbles, rockwool and most growing media Available in 6, 12, 18, 24, 36 and 48 pot configurations Why Choose the IWS Flood & Drain Standard? Budget-friendly entry into automated hydroponic growing Saves time by automating your feeding schedule Optimises feed timings for consistent, repeatable results Ideal for growers running 6–48 pots Available to order — typically dispatched within 2–3 working days. Contact us if you need a specific delivery date.