Anden Ditital Controller A77 Base Nutrients If the current pH is

If the current pH is at 5 (slightly acidic) a solution of alkaline (pH UP) is added to raise the solution to the desired level

airborne contaminants

Convenient to operate without oil or much noise

Filter sponge included

Flush then replace with fresh nutrient solution

Anden Ditital Controller A77 Base Nutrients If the current pH isThe Model A77 digital control communicates with your dehumidifier, allowing you to control the operation of the unit from a distance. Using an on board sensor, the dehumidifier control monitors the relative humidity in the space in which it is located and displays the measured relative humidity on the digital display. This is a wired control unit that must be hardwired to your dehumidifier.