TrolMaster Humidistat Station (HS-1） Device Keep your plants productive and

Keep your plants productive and green with Cal-Mag

Greatly improves crop quality by raising saccharinity

Extra Strength Triple Seal Zipper

by providing most of the micronutrients

vigorously before each use

TrolMaster Humidistat Station (HS-1） Device Keep your plants productive andThe HS 1 from TrolMaster is used to control commercial dehumidifiers. Most larger commercial dehumidifiers have a low volt control option so the dehumidifier can be controlled by an external humidistat. The HS 1 works and is wired exactly like an external humidistat. The HS 1 is the best way to control your dehumidifiers by eliminating the need to control the high amperage inrush current associated with dehumidifier