Active Aqua 7" x 7" x 9" Square Black Pots (Case Of 50) GFOPUMP the MBS PRO can be placed HGC726402 the MBS PRO can be placed in multiple locations throughout the growing area to provide spot measurements from multiple sensors (Up to 50 sensors can be connected to the Hydro X Pro) The sensors can then be used together (averaged) or separately in order to control a specific section of the grow area by assigning a sensor to a specific control device The DFM 1 sensor can also be used for future functions and may include the ability to sense water leaks and or line blockages Heavy duty black growing pots are available in multiple sizes to fit your growing space Raised bottom and unique multi drainage holes and slits for optimum aeration of the root zone