PH & PPM Meters
14 products
Showing 1 - 14 of 14 products
Showing 1 - 14 of 14 products
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Bluelab pH 7.0 Calibration Solution, 20ml
Sale price$1.39 USD
Regular price$7.99 USD
In stock, 4 unitsSave 36%
Bluelab pH Probe KCl Storage Solution
Sale priceFrom $8.99 USD
Regular price$13.99 USD
In stock, 3 unitsSave 46%
General Hydroponics pH 7.01 Calibration Solution, Qt
Sale price$13.99 USD
Regular price$25.99 USD
Only 1 unit leftSave 46%
General Hydroponics pH 4.01 Calibration Solution, Qt
Sale price$13.99 USD
Regular price$25.99 USD
In stock, 10 unitsSave 70%
Gardin Digital pH Meter with Automatic Calibration
Sale price$19.99 USD
Regular price$65.99 USD
In stock, 7 unitsClearanceSave 41%
Luster Leaf Rapitest Soil Test Kit, 40 Tests
Sale price$12.99 USD
Regular price$21.99 USD
In stock, 5 unitsClearanceSave 58%
Luster Leaf Rapitest Soil pH tester, 10 Tests
Sale price$4.99 USD
Regular price$11.99 USD
In stock, 10 unitsSave 40%
Aquarium 6 in 1 Test Strips - 100 Strips
Sale price$11.99 USD
Regular price$19.99 USD
In stock, 17 units
Hanna Instruments General Purpose Electrode Cleaning Solution
Sale price$1.99 USD
In stock, 13 unitsClearanceSave 45%
GroLine Direct Soil pH Electrode HI1294 for HI9814
Sale price$129.99 USD
Regular price$237.00 USD
Only 1 unit leftSave 72%
Wifi 7 in 1 Digital Water Quality Monitor: PH, ORP, Conductivity, TDS, Humidity, CF & Temperature
Sale price$112.99 USD
Regular price$399.99 USD
Only 1 unit left
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