GroLine Waterproof Portable pH/EC/TDS Meter fluorescent-lighting The universal reflector receptacle makes

The universal reflector receptacle makes this ballast compatible with most major brand reflectors

This form of Nitrogen is very user friendly in that plants will only take up what they require

OK-35653-01 pH 4

• Full daylight spectrum 32 watt fluorescent grow bulb (150 watt equivalent)

GroLine Waterproof Portable pH/EC/TDS Meter fluorescent-lighting The universal reflector receptacle makesDesigned to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperature sensor, and cloth junction. One combined, pre amplified pH, EC, and TDS (ppm) probe for hassle free measurements. Quick CAL mode for a speedy, single point calibration for pH and EC with one