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pH Meters

HM Digital PH-80 pH/Temperature Meter
In Stock: 145
$39.98 $47.99 -17%
GroStar GS4-E Replacement Electrode
In Stock: 73
$67.19 $79.99 -16%
Dilution Solutions Pro HM Digital pH Meter - 7.3in x 1.3in x 1.3in
In Stock: 323
$93.15 $99.95 -7%
GroStar GS2-E Replacement Electrode
In Stock: 97
$152.87 $181.99 -16%
GroStar GS1-E Replacement Electrode
In Stock: 96
$42.83 $50.99 -16%
Inline pH Sensor, Heavy Duty
In Stock: 14
$178.19 $197.40 -10%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 13
$199.79 $219.45 -9%
Hanna® Instruments Portable pH/EC/TDS Meter — HI9813-51
In Stock: 4
$364.49 $391.49 -7%
Gardener Select® Moisture, pH & Light Meter — 3-in-1
In Stock: 1476
$132.00 / $11.00 per unit
(minimum purchase of 12)
Gardener Select® Moisture Meter — Blue
In Stock: 5724
$106.80 / $8.90 per unit
(minimum purchase of 12)
Gardener Select® Moisture & pH Meter — 2-in-1
In Stock: 5172
$114.24 / $9.52 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor | Wi-Fi
In Stock: 32
$459.00
Gardener Select® pH Meter — Blue
In Stock: 2891
$99.12 / $8.26 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor Inline, Wi-Fi
In Stock: 20
$675.00
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