PH, EC, TDS Meters and Solutions

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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)

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Now: $28.99
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GroStar pH Probe Maintanence Kit

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Now: $23.99
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Growee pH Combo Doser

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Was: $700.00

Now: $685.00
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Growee Pro Combo Doser

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Was: $1,250.00

Now: $1,225.00
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Growee Starter Combo Doser

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Was: $995.00

Now: $950.00
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Hanna GroLine Nutrient Tester

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Now: $99.00
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Hanna GroLine Waterproof pH Tester

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Was: $99.00

Now: $89.10
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Hanna pH 4.01 Calibration Buffer 20 mL Sachet

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HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

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HM Digital COM-100,PH-200, Protective Case & Solutions

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Was: $179.95

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HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

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Was: $42.95

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HM Digital Hydromaster Replacement EC/TDS Probe

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Was: $49.99

Now: $44.99
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HM Digital pH 4.0 buffer solution - single pack of 20 ml

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HM Digital pH Electrode storage solution - 60 cc

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HM Digital PH-200 Waterproof pH/Temperature Meter

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Was: $101.92

Now: $91.73
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HM Digital PH-80 pH/Temperature Meter

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Was: $46.50

Now: $41.85
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HM Digital PH-STOR pH Electrode Storage Solution

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HM Digital Pro Series Dual Probe pH/TDS/EC/Temp meter

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Was: $174.95

Now: $127.54
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HM Digital Pro Series Pen style TDS/EC/Temp meter

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HM Digital Professional Series EC/TDS/Temp Meter (Long)

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Was: $99.95

Now: $89.96

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