About This System – IWS AutoDrain PRO 25mm System If you require a larger volume of run-off to be pumped from your plants or you’re using over 24 pots, IWS Autodrain Pro is the ideal Autodrain System for you. With 25mm fittings, this system provides faster draining than the IWS Autodrain Standard. Why choose this one? Ability to monitor the EC and pH of run-off Prevents water logging of root zone Automated hand watering Recommended for grows over 24 pots Faster draining than the Autodrain Standard Kits available from 4 – 48 pots All kits contain: Control Unit – 3000L 25mm Fittings & Pipe Small or Large Stands – this listing is for Small Stands Stand options: Small Stand: Up to 20L pots Large Stand: Up to 45L pots Stands are a perfect fit for the IWS 16L or 25L Cloth Pots. IWS Cloth Pots are sold separately.
