TrolMaster Temperature Device Station (DST-1 & DST-2) CARBON FILTERS Provides nutrition for beneficial microbes

Provides nutrition for beneficial microbes in the root zone

Great for plants with big blooms

Designed for uses in organic gardening

is a workhorse but runs quietly

TrolMaster Temperature Device Station (DST-1 & DST-2) CARBON FILTERS Provides nutrition for beneficial microbesTemperature Device Station for the Hydro X Environment Control System. Available in 120V and 240V models. The TrolMaster DST 1 Temperature control modules allow the user to easily connect and control standard heating or cooling devices to the Hydro x. Any heating or cooling device that is 10 amps at 120 volts or less can be controlled by the DST 1. The TrolMaster DST 2 Temperature control modules allow the user to easily connect and control standard