GroStar

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GroStar GS2 Soil pH Pen

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$215.87 $256.99 -16%

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GroStar GS2-E replacement Soil Spear pH electrode

In stock

$152.87 $181.99 -16%

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

In stock

$150.35 $178.99 -16%

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GroStar GS1 pH Pen

In stock

$98.27 $115.99 -15%

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GroStar GS3 EC Pen

In stock

$95.75 $113.99 -16%

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GroStar GS4-E replacement pH/EC combo electrode

In stock

$67.19 $79.99 -16%

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GroStar GS3-E replacement EC electrode

In stock

$45.35 $53.99 -16%

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GroStar GS1-E replacement pH electrode

In stock

$42.83 $50.99 -16%

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

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$24.35 $28.99 -16%

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GroStar pH Probe Maintanence Kit

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$20.15 $23.99 -16%

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

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$15.95 $18.99 -16%

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

In stock

$12.59 $14.99 -16%