GroStar
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
$16.10 Add to cartQuick View -
GroStar GS1 pH Pen
$130.43 Add to cartQuick View -
GroStar GS1-E replacement pH electrode
$54.82 Add to cartQuick View -
GroStar GS2 Soil pH Pen
$276.30 Add to cartQuick View -
GroStar GS2-E replacement Soil Spear pH electrode
$195.66 Add to cartQuick View -
GroStar GS3 EC Pen
$122.54 Add to cartQuick View -
GroStar GS3-E replacement EC electrode
$58.03 Add to cartQuick View -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
$192.43 Add to cartQuick View -
GroStar GS4-E replacement pH/EC combo electrode
$85.98 Add to cartQuick View -
GroStar pH calibration kit (pH 4/7, 8 oz. each)
$20.40 Add to cartQuick View -
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
$31.15 Add to cartQuick View -
GroStar pH Probe Maintanence Kit
$25.78 Add to cartQuick View