RJ12 Extension Cable Set (ECS-1) a unique Group Control feature

a unique Group Control feature can also be achieved while connected to the HCS-2 controller

Spectrum PhysioSpec™ Broad R4

the water detector is placed where runoff will accumulate (or where water is being introduced to the growing medium)

Meaning that you have more control over the buffering process and have more influence on the growth and bloom of the plant

RJ12 Extension Cable Set (ECS-1) a unique Group Control featureTrolMaster modules and sensors all come complete with a RJ12 16ft cable, Y splitter and RJ12 4 ft cable to connect to the Hydro x. When connecting modules that are farther apart, you can use the Extension cable set ECS 1. The ECS 1 comes complete with another 16ft cable, Y splitter and 4 ft cable.