GroStar
Showing all 12 results
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
$14.99 View product -
GroStar GS1 pH Pen
$115.99 View product -
GroStar GS1-E replacement pH electrode
$50.99 View product -
GroStar GS2 Soil pH Pen
$256.99 View product -
GroStar GS2-E replacement Soil Spear pH electrode
$181.99 View product -
GroStar GS3 EC Pen
$113.99 View product -
GroStar GS3-E replacement EC electrode
$53.99 View product -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
$178.99 View product -
GroStar GS4-E replacement pH/EC combo electrode
$79.99 View product -
GroStar pH calibration kit (pH 4/7, 8 oz. each)
$18.99 View product -
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
$28.99 View product -
GroStar pH Probe Maintanence Kit
$23.99 View product