GroLine Waterproof EC/TDS/Temp (ppm) TESTER/PEN with Case + Solutions In-Line Duct Fans + Accessories High-Quality Concentrate: Made from pharmaceutical-grade

High-Quality Concentrate: Made from pharmaceutical-grade potassium hydroxide

Self-priming to 26 ft: Draws from wells

It adds an Australian carbon filter and 25 ft of ducting

Supply voltage: 110-120 VAC - 1 Phase - 60 Hz

GroLine Waterproof EC/TDS/Temp (ppm) TESTER/PEN with Case + Solutions In-Line Duct Fans + Accessories High-Quality Concentrate: Made from pharmaceutical-gradeGroLine Waterproof EC TDS Temp (ppm) TESTER PEN with Case & Solutions The HI98318 is Hanna Instruments' latest waterproof pocket meter for measuring the EC TDS of a hydroponic nutrient solution. Automatic calibration is achieved easily. Simply submerge the sensor in a calibration solution and the meter will automatically detect the calibration standard (5. 00 mS cm in Quick Cal mode or 1. 41 mS cm in standard calibration mode). Temperature is