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Home › Collections › PH/EC/TDS Meters and Solutions
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General Hydroponics pH Control Kit (12/Cs)

$18.19  $13.99

Earn 14 points
SALE
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Bluelab pH 7.0 Calibration Solution

From $7.55 to $10.26

Earn at least 8 points
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Bluelab pH 4.0 Calibration Solution (6/Cs)

From $7.55 to $10.26

Earn at least 8 points
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Bluelab pH Pen

$112.50  $85.00

Earn 85 points
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Bluelab pH Controller - Connect

$629.00  $468.75

Earn 469 points
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Bluelab pH Probe KCl Storage Solution 100 ml (6/Cs)

$11.94  $10.99

Earn 11 points
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Bluelab pH Up

From $15.67 to $47.00

Earn at least 16 points
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Bluelab pH Down 1 Gallon

$40.50

Earn 41 points
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Bluelab Guardian Connect

$450.00  $337.50

Earn 338 points
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Bluelab 2.77EC Conductivity Solution (6/Cs)

From $7.55 to $9.99

Earn at least 8 points
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Bluelab Connect Range Extender

$164.00  $129.99

Earn 130 points
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Bluelab Conductivity Pen

$94.00  $71.25

Earn 72 points
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Bluelab Probe Care pH & Conductivity

$23.95  $17.99

Earn 18 points
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Bluelab Replacement pH Probe

$72.00  $54.99

Earn 55 points
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Bluelab Combo Meter

$299.00  $225.00

Earn 225 points
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Bluelab Guardian Monitor

$399.00  $300.00

Earn 300 points
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Bluelab Probe Care Kit - pH

$16.50  $13.86

Earn 14 points
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Bluelab Growers Toolbox

$206.00  $156.25

Earn 157 points
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Bluelab Commercial Truncheon Meter

$140.00  $105.00

Earn 105 points
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Bluelab Connect Stick

$112.50

Earn 113 points