TrolMaster Hydro X Expander Station 4 Canna CalMag Agent Ideal volumes of potassium and

Ideal volumes of potassium and phosphorus complete Part-B while balancing to Part-A

and disinfecting

The Original SS is the GMP edition of the one that started it all

#741642 is 10 in x 4

The ONA Block is ideal for small areas such as closets

TrolMaster Hydro X Expander Station 4 Canna CalMag Agent Ideal volumes of potassium andThe 4RS 1 is a universal 4 outlet power expansion module. It can be used with any of TrolMasters plug in style device modules to expand the number of devices that can be controlled by the Hydro x. A single 120 240 volt trigger cable on the 4RS 1 connects to your device control module. When the device module is activated by the Hydro x, the 4RS 1 trigger cable will turn on each of the 4 receptacles on the 4RS 1 with a 3 second time delay between each