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PHOTOBIO Advanced Quantum PAR Meter

$199.99  $134.00

Earn 134 points
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Autopilot Surge Protector with 8 outlets & timer

$28.33  $19.55

Earn 20 points
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Digital Integrated Sensor Module

$491.99  $332.67

Earn 333 points
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Xtrasun LT1 Lighting Controller

$278.09  $184.03

Earn 185 points
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)

$14.99  $11.24

Earn 12 points
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GroStar pH Probe Maintanence Kit

$23.99  $17.27

Earn 18 points
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GroStar GS4-E replacement pH/EC combo electrode

$79.99  $57.59

Earn 58 points
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GroStar GS3-E replacement EC electrode

$53.99  $38.87

Earn 39 points
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GroStar GS2-E replacement Soil Spear pH electrode

$181.99  $125.57

Earn 126 points
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GroStar GS1-E replacement pH electrode

$50.99  $36.71

Earn 37 points
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GroStar GS2 Soil pH Pen

$256.99  $177.32

Earn 178 points
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GroStar GS3 EC Pen

$113.99  $82.07

Earn 83 points
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GroStar GS1 pH Pen

$115.99  $87.35

Earn 88 points
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Digital Light Meter (Footcandles)

$55.69  $34.55

Earn 35 points