TrolMaster - Legacy Beta Series Digital Controller (Day/Night Fan Speed) cloning-&-seed-starting The number of units required

The number of units required depends on your total system airflow (CFM) and the severity of the odor or pollution problem

Formulated to meet the very specific nutritional demands of Japanese Maples & Dogwoods as well for many other low nitrogen-requiring trees and plants

It grows greens and lettuce up to thirty percent faster than soil

and is well-suited for hydroponic reservoirs

How much "juice" you pour in to growing every day

TrolMaster - Legacy Beta Series Digital Controller (Day/Night Fan Speed) cloning-&-seed-starting The number of units requiredThe BETA 2 can control variable speed fans by using the current temperature to increase or decrease the fan speed. By increasing the fan speed, cooling is increased decreasing fan speed will reduce cooling capacity. Using the BETA 2 in this way provides a VERY economical and efficient way of dealing with heat within an enclosed space. Features: Digital Display Built in Photocell sensor Day Night Control Included In Box: 1 x Fan Controller 1 x