TrolMaster - Dry Contact Station Single Pack with cable set grow-light-reflectors Easy-to-Use Grow Bag is Ready

Easy-to-Use Grow Bag is Ready for Planting - Nutrient Rich - For All Growing Needs

Engineered for maximum efficiency

This universal bacterium is one of a kind and HIGHLY EFFICIENT simultaneously fixing nitrogen

Special Order Item - May have extended lead time

TrolMaster - Dry Contact Station Single Pack with cable set grow-light-reflectors Easy-to-Use Grow Bag is ReadyThe 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