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Quest 155 - PN 4031490
The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock
Light flicker frequency: Detect unwanted voltage changes and assess ballast & bulb health
and volatile organic compounds
Operating/input voltage: 110-277v AC
Bluelab pH Controller Size:Controller Quest 155 - PN 4031490Hands free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal 760 L. Plant safe green backlit LCD with adjustable brightness and large, easy to read display. Easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. Flashing high low alarm
