grostar

GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each)• 2.77 EC conductivity standard calibration solution• Used as a reference or checking solution to ensure you have adequately...

All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probeKit Includes: 3M KCL storage solution (4oz.)Clea

GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each)Kit Includes:(1) pH 4.0 calibration solution 8 oz.(1) pH 7.0 calibration solution 8 oz.(1) pH 10.0 calibration solution 8 oz.pH measuring...

GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each)Kit includes: (1) 8 oz. pH 4.0 calibration solution (1) 8 oz. pH 7.0 calibration solution pH measuring equipment must be cleaned and...

AI58040 - GroStar GS4-E replacement pH/EC combo electrode• Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium glass membrane and titanium alloy to...

AI58030 - GroStar GS3-E replacement EC electrode• Measures conductivity EC, PPM (500), PPM (700) and temperature• Premium probe technologies and materials ensure high accuracy and...

AI58020 - GroStar GS2-E replacement Soil Spear pH electrode• Spear pH Probe measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types•...

AI58010 - GroStar GS1-E replacement pH electrode• Replacement GS1 probe measures pH and temperature• Premium probe technologies and materials ensure high accuracy and durability with...

AI31020 - GroStar GS2 Soil pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 & pH 4 solution...

AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty...

AI11030 - GroStar GS3 EC/PPM/Temp PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• 2.77 EC calibration...

AI11010 - GroStar GS1 pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 & pH4 calibration...