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pH Meters

HM Digital PH-80 pH/Temperature Meter
In Stock: 201
$39.41 $47.99 -18%
GroStar GS4-E Replacement Electrode
In Stock: 73
$66.23 $79.99 -17%
Dilution Solutions Pro HM Digital pH Meter - 7.3in x 1.3in x 1.3in
In Stock: 323
$91.08 $99.95 -9%
GroStar GS2-E Replacement Electrode
In Stock: 97
$150.68 $181.99 -17%
GroStar GS1-E Replacement Electrode
In Stock: 96
$42.21 $50.99 -17%
Inline pH Sensor, Heavy Duty
In Stock: 14
$174.23 $197.40 -12%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 16
$195.35 $219.45 -11%
Hanna® Instruments Portable pH/EC/TDS Meter — HI9813-51
In Stock: 4
$356.39 $391.49 -9%
Gardener Select® Moisture, pH & Light Meter — 3-in-1
In Stock: 1416
$130.20 / $10.85 per unit
(minimum purchase of 12)
Gardener Select® Moisture Meter — Blue
In Stock: 6528
$105.36 / $8.78 per unit
(minimum purchase of 12)
Gardener Select® Moisture & pH Meter — 2-in-1
In Stock: 4908
$112.56 / $9.38 per unit
(minimum purchase of 12)
Gardener Select® pH Meter — Blue
In Stock: 3047
$97.68 / $8.14 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor | Wi-Fi
In Stock: 44
$459.00
Bluelab Guardian Monitor Inline | Wi-Fi
In Stock: 29
$675.00
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