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Hanna Instruments Quick Cal 500mL

Hanna Instruments Quick Calibration Solution – 500ml

Original price was: $24.05.Current price is: $22.95.
Gh Calibration Solution 42

GH pH 4.01 Calibration Solution

Original price was: $25.75.Current price is: $11.97.
Hanna Groline Combo Phec Meter

Hanna GroLine Combo pH/EC Meter

Original price was: $225.00.Current price is: $175.75.
General Hydroponics pH Test Kit 8oz

General Hydroponics pH Test Kit – 8 Ounce

Original price was: $14.53.Current price is: $8.82.
Milwaukee PH55 Tester Front

Milwaukee PH55 Waterproof pH & Temperature Tester

Original price was: $65.25.Current price is: $50.25.
Hanna Instruments pH Sensor

Hanna Instruments Replacement pH Sensor

Original price was: $75.00.Current price is: $69.95.
Hanna 1413 Calibration Solution - 20 ml 25 pk

Hanna 1413 Calibration Solution

Original price was: $1.28.Current price is: $1.09.
Milwaukee pH600 Pen Front

Milwaukee pH600 Digital pH Pen

Original price was: $30.00.Current price is: $23.10.
Milwaukee MW802 Combo Meter

Milwaukee MW802 PRO 3-in-1 Combo Meter

Original price was: $195.00.Current price is: $117.95.
Bluelab Ec Solution

Bluelab EC Solution

Original price was: $11.33.Current price is: $8.84.
Milwaukee EC59 Tester Front

Milwaukee EC59 Waterproof 3-in-1 EC/TDS/Temp Tester

Original price was: $65.25.Current price is: $50.25.
Floating thermometer

Floating Thermometer

Original price was: $2.19.Current price is: $1.47.
Bluelab Ec Solution

Bluelab EC Solution 250ml

Original price was: $11.33.Current price is: $8.84.
Milwaukee pH 7.01 Calibration Solution

Milwaukee pH 7.01 Calibration Solution

Original price was: $0.99.Current price is: $0.58.
Bluelab Probe Care Kit Ph

BL Probe Care Kit – pH

Original price was: $25.00.Current price is: $19.50.
Bluelab Combo Meter

BlueLab Combo Meter

Original price was: $339.00.Current price is: $264.42.
Bluelab pH Probe Inline

Bluelab pH Probe Inline

Original price was: $209.00.Current price is: $163.02.
Hanna Groline Hi981420 Nutrient Monitor

Hanna Groline HI981420 Nutrient Monitor

Original price was: $389.00.Current price is: $329.31.
Bluelab Probe Care Kit Ph And Ec

BL Probe Care Kit – pH & EC

Original price was: $33.00.Current price is: $25.74.
Hanna Handheld v2

Hanna pH/EC/TDS Meter

Original price was: $250.00.Current price is: $219.95.
Hanna Instruments HI1271 Replacement Electrode

Hanna Instruments HI1271 Replacement Electrode

Original price was: $24.00.Current price is: $15.62.
Hanna Instrument HI9813-6 Replacement Electrode Probe

Hanna Instrument HI9813-6 Replacement Electrode Probe

Original price was: $149.95.Current price is: $129.95.
Bluelab Soil Ph Pen

BlueLab Soil pH Pen

Original price was: $209.00.Current price is: $163.02.

About Meters | Testers | Monitors

There are many brands to consider when it comes to PH meters  and or EC meters. Here at HTGSupply we carry the best, Hanna Instruments and Bluelab. These companies have proven themselves to be worthy of the hydroponic industry. Many inferior pH meters require constant calibration; this is time consuming and does not have to be. Hanna and Bluelab hold their calibration making them very user friendly. Hydroponic growers will enjoy a few nice features you will just not find with inferior pH meters. Rest assured the meters HTGSupply carries are quality units that will last. Only trust your precious hydroponic crops with Bluelab or Hanna pH meters.

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