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GroStar

GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 102
$152.87 $181.99 -16%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 198
$150.35 $178.99 -16%
GroStar GS1 pH Pen
In Stock: 286
$99.72 $115.99 -14%
GroStar GS3 EC Pen
In Stock: 96
$95.75 $113.99 -16%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 88
$67.19 $79.99 -16%
GroStar GS3-E replacement EC electrode
In Stock: 100
$45.35 $53.99 -16%
GroStar GS1-E replacement pH electrode
In Stock: 101
$42.83 $50.99 -16%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 36
$24.35 $28.99 -16%
GroStar pH Probe Maintanence Kit
In Stock: 87
$20.15 $23.99 -16%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 62
$15.95 $18.99 -16%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In Stock: 127
$12.59 $14.99 -16%
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