GroStar
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Apera EC calibration kit (2.77EC, 8oz.)
$16.11 -
Apera GroStar GS1 pH Pen
$130.43 -
Apera GroStar GS1-E replacement pH electrode
$54.82 -
Apera GroStar GS2 Soil pH Pen
$276.30 -
Apera GroStar GS2-E replacement Soil Spear pH electrode
$195.66 -
Apera GroStar GS3 EC Pen
$122.56 -
Apera GroStar GS3-E replacement EC electrode
$58.05 -
Apera GroStar GS4 pH/EC Combo Pen
$192.45 -
Apera GroStar GS4-E replacement pH/EC combo electrode
$86.00 -
Apera pH calibration kit (pH 4/7, 8oz. each)
$20.42 -
Apera pH calibration kit (pH 4/7/10, 8oz. each)
$31.17 -
Apera pH probe maintenance kit
$25.79