GroStar
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Apera EC calibration kit (2.77EC, 8oz.) AI71117
GroStar
$19.78GroStar 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 cleaned...$19.78 -
Apera GroStar GS1 pH Pen AI11010
GroStar
$160.14AI11010 - GroStar GS1 pH PenLab grade instruments designed specifically for growers!Includes: 2-year warranty (instrument) 1-year warranty (probe) pH 7 & pH4 calibration solution (50ml...$160.14 -
Apera GroStar GS1-E replacement pH electrode AI58010
GroStar
$67.30AI58010 - GroStar GS1-E replacement pH electrode Replacement GS1 probe measures pH and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal...$67.30 -
Apera GroStar GS2 Soil pH Pen AI31020
GroStar
$292.96AI31020 - 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 (50ml bottles of...$292.96 -
Apera GroStar GS2-E replacement Soil Spear pH electrode AI58020
GroStar
$207.46AI58020 - 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 Premium...$207.46 -
Apera GroStar GS3 EC Pen AI11030
GroStar
$150.46AI11030 - 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 solution, 50 ml...$150.46 -
Apera GroStar GS3-E replacement EC electrode AI58030
GroStar
$71.26AI58030 - GroStar GS3-E replacement EC electrode Measures conductivity EC, PPM (500), PPM (700) and temperature Premium probe technologies and materials ensure high accuracy and durability...$71.26 -
Apera GroStar GS4 pH/EC Combo Pen AI21040
GroStar
$204.04AI21040 - 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 (probe) pH...$204.04 -
Apera GroStar GS4-E replacement pH/EC combo electrode AI58040
GroStar
$105.58AI58040 - 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 ensure...$105.58 -
Apera pH calibration kit (pH 4/7, 8oz. each) AI61113
GroStar
$25.06GroStar 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...$25.06 -
Apera pH calibration kit (pH 4/7/10, 8oz. each) AI61115
GroStar
$38.26GroStar 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...$38.26 -
Apera pH probe maintenance kit AI61170
GroStar
$31.66All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probeKit Includes: 3M KCL storage solution (4oz.)Cleaning solution (8oz.)CalPod...$31.66