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pH Meters

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Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
Out of stock
$1,293.90 $1,812.17 -29%
Bluelab Connect pH Controller | for Bluelab Connect Devices
Out of stock
$738.98 $1,034.98 -29%
Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$581.75 $814.77 -29%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$443.02 $620.47 -29%
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
Out of stock
$413.45 $640.60 -35%
Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$396.78 $555.70 -29%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 24
$396.71 $550.11 -28%
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 40
$337.05 $467.38 -28%
GroStar GS2 Soil pH Pen
In Stock: 141
$212.78 $256.99 -17%
Bluelab Soil pH Pen
In Stock: 13
$207.80 $288.16 -28%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 29
$207.80 $288.16 -28%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 8
$198.31 $219.45 -10%
Inline pH Sensor, Heavy Duty
In Stock: 11
$176.87 $197.40 -10%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 117
$168.42 $255.74 -34%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 101
$150.68 $181.99 -17%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 201
$148.20 $178.99 -17%
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