G.A.S AC-EC Controller Pest Management The GroLine pH/EC Monitor is

The GroLine pH/EC Monitor is a quality tool for both indoor and outdoor growers

including clay pebbles

If you are looking to split ducting coming from an intake fan (such as when putting in two runs of Cool-Tubes) then using a Y-piece instead is preferable as it allows smoother airflow

leading to better nutrient management for healthier and more productive plants

Ensure granules will come into contact with roots for effectiveness

G.A.S AC-EC Controller Pest Management The GroLine pH/EC Monitor isThe G. A. S AC EC Controller allows you to use either EC or AC fans to the highest degree of precision. Using an incredibly sensitive temperature & humidity sensor, the AC EC Controller maintains the perfect conditions in a grow room. Balance fans to achieve negative pressure Temperature and humidity control Plug and play for AC or EC fans Separate Day & Night settings for temperature and humidity Set maximum and minimum fan speeds accurately to 1%