PH & PPM Meters
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Showing 1 - 15 of 15 products
Showing 1 - 15 of 15 products
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General Hydroponics pH 7.01 Calibration Solution, Qt
Sale price$13.99
Regular price$25.99
In stock, 4 unitsSave 46%

General Hydroponics pH 4.01 Calibration Solution, Qt
Sale price$13.99
Regular price$25.99
In stock, 13 unitsSave 43%


4 in 1 Digital PH/TDS/EC/Temperature Water Quality Meter
Sale price$39.95
Regular price$69.99
Only 1 unit leftSave 70%


Gardin Digital pH Meter with Automatic Calibration
Sale price$19.99
Regular price$65.99
In stock, 17 unitsSave 32%

Bluelab Multimedia pH Meter (Leap Probe Included)
Sale price$199.99
Regular price$295.99
Only 1 unit leftSave 22%

GroLine Direct Soil pH Electrode HI1294 for HI9814
Sale price$185.99
Regular price$237.00
Only 1 unit leftSave 72%


Wifi 7 in 1 Digital Water Quality Monitor: PH, ORP, Conductivity, TDS, Humidity, CF & Temperature
Sale price$112.99
Regular price$399.99
Only 1 unit left
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