TrolMaster - Dry Contact Station Single Pack with cable set cloning-and-seed-starting *Three-Part Liquid Program:

*Three-Part Liquid Program:

1 to 3 ml A and 1 to 3 ml B per liter of water

Hydrofarm's desktop plant light offers illumination and versatility for indoor growing

Mounting bracket included

this light is perfect for growers looking to cover larger areas using less

TrolMaster - Dry Contact Station Single Pack with cable set cloning-and-seed-starting *Three-Part Liquid Program:The Trolmaster DSD 1 Dry contact module provides a simple and flexible solution to who want to connect & control devices to the Hydro X using a dry contact or relay to activate the device. Some equipment requires either normally open or normally closed contact closure in order to activate the equipment. The DSD 1 is the product that you need to control those types of devices. * The DSD 1 can be configured to work as the other Trolmaster power modules