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.