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GroStar GS2 Soil pH Pen

Product Code:

AI31020

In Stock: 114

$214.32 $256.99 -17%

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GroStar GS2-E replacement Soil Spear pH electrode

Product Code:

AI58020

In Stock: 89

$151.77 $181.99 -17%

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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

Product Code:

AI21040

In Stock: 64

$149.27 $178.99 -17%

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GroStar GS1 pH Pen

Product Code:

AI11010

In Stock: 259

$99.72 $115.99 -14%

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GroStar GS3 EC Pen

Product Code:

AI11030

In Stock: 94

$95.06 $113.99 -17%

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GroStar GS4-E replacement pH/EC combo electrode

Product Code:

AI58040

In Stock: 82

$66.71 $79.99 -17%

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GroStar GS3-E replacement EC electrode

Product Code:

AI58030

In Stock: 100

$45.02 $53.99 -17%

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GroStar GS1-E replacement pH electrode

Product Code:

AI58010

In Stock: 78

$42.52 $50.99 -17%

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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)

Product Code:

AI61115

In Stock: 29

$24.17 $28.99 -17%

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GroStar pH Probe Maintanence Kit

Product Code:

AI61170

In Stock: 76

$20.00 $23.99 -17%

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GroStar pH calibration kit (pH 4/7, 8 oz. each)

Product Code:

AI61113

In Stock: 126

$15.83 $18.99 -17%

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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)

Product Code:

AI71117

In Stock: 102

$12.50 $14.99 -17%

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