GroStar

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GroStar GS2 Soil pH Pen

In stock

$208.16 $256.99 -19%

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GroStar GS2-E replacement Soil Spear pH electrode

In stock

$147.41 $181.99 -19%

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

In stock

$144.98 $178.99 -19%

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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

$92.33 $113.99 -19%

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GroStar GS4-E replacement pH/EC combo electrode

In stock

$64.79 $79.99 -19%

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GroStar GS3-E replacement EC electrode

In stock

$43.73 $53.99 -19%

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GroStar GS1-E replacement pH electrode

In stock

$41.30 $50.99 -19%

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

In stock

$23.48 $28.99 -19%

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GroStar pH Probe Maintanence Kit

In stock

$19.43 $23.99 -19%

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

In stock

$15.38 $18.99 -19%

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

In stock

$12.14 $14.99 -19%