TrolMaster Programmable Dry Contact to Control Normally on/off Items -Temp RH Co2 or Recycle bud coco The HCS-1 is the brain

The HCS-1 is the brain of the Hydro-X system

SUPERthrive® K-L-N Rooting Concentrate™

01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts

your plants also need to load up on carbs before they can perform at their best and bloom into the huge

including coco coir

TrolMaster Programmable Dry Contact to Control Normally on/off Items -Temp RH Co2 or Recycle bud coco The HCS-1 is the brainThe 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. *