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Calibrates easily with 12
9 gal pot (black )
ENVIRONMENTALLY FRIENDLY creating no hazardous waste
Calibrate with a known value: 1500 mg/L (ppm) TDS @ 25°C—a commonly used reference point for routine testing
Plug N Grow PNG 020 Precision Thermostat W / Display Grow Media Calibrates easily with 12Controls cooling or heating equipment. Day and night settings keep temperature within your set point. 10 ft temperature probe is accurate to within 2F. Displays ambiant temperature Day and night setpoints from 50F to 100F Operating mode: Heating or Cooling Adjustable differential Displays if output is activated 3 year warranty 15Amps 120V 60Hz Made in North America
US$ 74.95
US$ 25.00
US$ 22.16
US$ 697.50