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pH Meters

GroStar GS4 5-in-1 Digital pH/EC/TDS/Temperature Meter
In Stock: 56
$142.10 $178.99 -21%
GroStar GS2 Soil pH/Temperature Meter
In Stock: 113
$214.52 $256.99 -17%
Active Air 2-Way Moisture/pH Meter
In Stock: 170
$9.83 $11.84 -17%
GroStar pH Probe Maintenance Kit
GroStar pH Probe Maintenance Kit
In Stock: 69
$23.02 $23.99 -4%
GroStar GS1 Digital pH/Temperature Meter
In Stock: 136
$100.93 $115.99 -13%
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
GroStar GS4-E Replacement pH/EC Combo Electrode for GS4 Meter
In Stock: 70
$64.79 $79.99 -19%
GroStar GS2-E Replacement Soil Spear pH Electrode for GS2 Soil pH Meter
GroStar GS2-E Replacement Soil Spear pH Electrode for GS2 Soil pH Meter
In Stock: 97
$139.76 $181.99 -23%
GroStar GS1-E Replacement pH Electrode for GS1 pH Meter
GroStar GS1-E Replacement pH Electrode for GS1 pH Meter
In Stock: 94
$41.30 $50.99 -19%
TrolMaster PPH-2 Heavy-Duty Intank pH Sensor
In Stock: 7
$183.78 $197.40 -7%
TrolMaster PPH-3 Heavy-Duty Inline Nutrient pH Sensor
In Stock: 9
$189.43 $219.45 -14%
Aqua Master Tools P50 Pro pH Temp Electrode
Aqua Master Tools P50 Pro pH Temp Electrode - Replacement Electrode - 3.6 x 1.2 x 1.2-in
In Stock: 11
$28.88 $34.95 -17%
Aqua Master Tools P700 Pro 2 pH Electrode - BNC Connector - Long Double Junction
Aqua Master Tools P700 Pro 2 pH Electrode - BNC Connector - Long Double Junction
In Stock: 10
$61.85 $74.95 -17%
Aqua Master Tools P50 Pro pH Temp Meter
Aqua Master Tools P50 Pro pH Temp Meter - pH 0.0-14.0 - Temp 0-50°C - IP67 Waterproof
In Stock: 15
$65.47 $79.95 -18%
Aqua Master Tools P110 Pro Electrode
Aqua Master Tools P110 Pro Electrode - Replacement pH, EC & Temperature Probe - 3.6 x 1.2 x 1.2-in
In Stock: 1
$41.80 $49.95 -16%
Aqua Master Tools H600 Pro Handheld Substrate Meter - pH, EC, TDS, PPM & Temp - 9V Battery Included
Aqua Master Tools H600 Pro Handheld Substrate Meter - pH, EC, TDS, PPM & Temp - 9V Battery Included
In Stock: 1
$278.59 $354.95 -22%
Aqua Master Tools Storage Container - For 12mm pH Electrodes
Aqua Master Tools Storage Container - For 12mm pH Electrodes
In Stock: 40
$5.73 $5.95 -4%
Aqua Master Tools H600 Pro Handheld Meter - pH, EC, TDS, PPM & Temp
Aqua Master Tools H600 Pro Handheld Meter - pH, EC, TDS, PPM & Temp
In Stock: 18
$216.62 $274.95 -21%
Aqua Master Tools Industrial Inline pH Electrode - 3/4-in Male Thread - BNC Connector - 6 Bar
Aqua Master Tools Industrial Inline pH Electrode - 3/4-in Male Thread - BNC Connector - 6 Bar
In Stock: 52
$127.26 $149.95 -15%
Aqua Master Tools S300 Pro 2 Substrate pH/Temp
Aqua Master Tools S300 Pro 2 Substrate pH/Temp Meter - 0.0-14.0 pH Range - 90 cm Electrode Cord
In Stock: 13
$110.57 $139.95 -21%
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