GroLine Waterproof EC/TDS/Temp (ppm) TESTER/PEN with Case + Solutions Deep Water Culture DWC inert substrate that won’t lock

inert substrate that won’t lock up or release nutrients

increasing flowering sites and potential yields

Its feature addresses environmental concerns associated with traditional plastic products

As the line comes up to pressure

especially before lights out or sundown

GroLine Waterproof EC/TDS/Temp (ppm) TESTER/PEN with Case + Solutions Deep Water Culture DWC inert substrate that won’t lockGroLine 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