GroStar GS3 EC/500ppm/700ppm/Temp (4-IN-1) Pen dupe or any stage

or any stage

or other substrates

brick will require several gallons of water for full expansion

strap  and a hard plastic carrying case

These fans incorporate a powerful mixed flow impeller and internal air vanes located at the discharge end of the fan housing

GroStar GS3 EC/500ppm/700ppm/Temp (4-IN-1) Pen dupe or any stageDescription Product Details: AI11030 GroStar GS3 EC 500ppm 700ppm Temp (4 IN 1) Pen Lab grade instruments designed specifically for growers! Includes: 2 year warranty (instrument) 1 year warranty (probe) 2. 77 EC calibration solution, 50 ml bottle Features: Measures conductivity EC, PPM (500), PPM (700) and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Titanium alloy sensor designed