Trolmaster - Expander Station (4RS-1) Propagation Medium continuing for a minimum of

continuing for a minimum of 10 days

Peat and compost: use as a replenishment feed when magnesium runs low

88 mS/cm calibration solutions

and it suits both hard and soft water systems

Available in three variants so you can match the fixture to your room rather than compromise: the Xtreme PPFD CO²

Trolmaster - Expander Station (4RS-1) Propagation Medium continuing for a minimum ofRun four devices from a single Hydro X module The TrolMaster 4RS 1 Expander Station is a universal four outlet power expansion module that lets one Hydro X device module control up to four powered devices at once. As a grow room fills with fans, heaters, pumps and climate gear, a single device module quickly runs out of capacity the 4RS 1 hangs off that module via a trigger cable and switches its four outlets in sequence, each on its own high capacity