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pH Meters

Dilution Solutions Pro HM Digital pH Meter - 7.3-in
In Stock: 321
$94.17 $99.95 -6%
HM Digital PH-80 Digital pH/Temperature Meter
Out of stock
$39.97 $47.99 -17%
GroStar GS4-E Replacement pH/EC Combo Electrode for GS4 Meter
In Stock: 72
$67.07 $79.99 -16%
GroStar GS2-E Replacement Soil Spear pH Electrode for GS2 Soil pH Meter
In Stock: 97
$143.62 $181.99 -21%
Hydrofarm Active Air 3-Way Meter - Moisture, Light, and pH
In Stock: 1
$6.70 $14.99 -55%
GroStar GS1-E Replacement pH Electrode for GS1 pH Meter
In Stock: 95
$42.75 $50.99 -16%
TrolMaster PPH-2 Heavy-Duty Intank pH Sensor
In Stock: 12
$171.40 $197.40 -13%
TrolMaster PPH-3 Heavy-Duty Inline Nutrient pH Sensor
In Stock: 9
$191.99 $219.45 -13%
Hanna Instruments HI9813-51 Portable pH/EC/TDS Meter
Out of stock
$364.49
Gardener Select 3-in-1 Moisture, pH, and Light Meter
In Stock: 1632
$157.08 / $13.09 per unit
(minimum purchase of 12)
Gardener Select Moisture Meter - Blue
In Stock: 4552
$128.40 / $10.70 per unit
(minimum purchase of 12)
Gardener Select 2-in-1 Moisture and pH Meter
In Stock: 4932
$136.20 / $11.35 per unit
(minimum purchase of 12)
Gardener Select pH Meter - Blue
In Stock: 2732
$117.72 / $9.81 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor Inline - Wi-Fi
In Stock: 4
$628.75 $675.00 -7%
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