AgrowTek GC-XO Slave Expansion Controller Seed + Cloning Plugs offering you a solution that

offering you a solution that is both cost-effective and powerful

so a package needing moisture control wants a two-way humidity pack working alongside them

Soluble Potash (K2O)……………………………………4%

Mineral buildup and lockout is a major causes of deficiencies and plant health problems-solve these issues with Athena Cleanse

Standardize a room on 208V or 240V single-phase

AgrowTek GC-XO Slave Expansion Controller Seed + Cloning Plugs offering you a solution thatExpand your GrowControlTM System with a GC XO Slave Controller The GrowControlTM GC XO slave adds more outputs to existing GC Pro or GC ProXL series controllers. GC XO controllers have the same construction as GC Pro controllers, but are equipped with only outputs for turning relays on an off. Slave controllers do not have any of their own control functions, they simply turn on and off as required by the "master" controller that they are listening to.