IWS Flood and Drain Brains 

IWS Flood and Drain Control Units – System Brain Buckets
These 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(Pro versions allows the length of flood to be controlled).
These can be used to replace an existing brain or even used to create your own system, they are also popular for use with the Terra Aquatica Cultimate(formerly GHE AquaFarm/WaterFarm) and Green Man Systems.

Models
The Standard version has the basic segmental timer attached to the bucket, comes with 1 x MJ1000 pump and uses 13mm pipework(16mm internal).
The Standard Remote version uses a timer that is mounted on the wall, this timer allows much more control over the flood cycles. It comes with 1 x MJ1000 pump and uses 13mm pipework(16mm internal).
The Pro Remote Brain uses a 4000 lph pump and uses 25mm pipework  for faster fill cycles, it also features a remote timer that you can mount on a wall etc.

Both of these Control Units have to internal float switches that control the flood height.

• Pro Remote uses 1 x 4000 lphl Pump
• Standard Remote uses 1 x MJ1000 pump
• Standard(Basic) uses 1 x MJ100 pump