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BLB pH 7.0 Calibration Solution 500ml 6/CS
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BLB pH 7.0 Calibration Solution 500ml 6/CS Sale price$44.80
Bluelab Combo Meter
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Bluelab Combo Meter Sale price$728.86
GroLine Waterproof Portable pH/EC/TDS Meter - Black Label Supply llc
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GroLine Waterproof Portable pH/EC/TDS Meter Sale price$309.99
Bluelab pH Pen
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Bluelab pH Pen Sale price$268.76
Bluelab Combo Meter Plus
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Bluelab Combo Meter Plus Sale price$857.86
Bluelab Guardian Monitor Inline Wi-Fi
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Bluelab Guardian Monitor Inline Wi-Fi Sale price$1,451.26
GroLine pH, EC/TDS and temperature monitor for nutrient solutions supplied with HI1285 - 9 probe with 3/4" threaded connection; 115 VAC - Black Label Supply llc
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GroLine pH, EC/TDS and temperature monitor for nutrient solutions supplied with HI1285-9 probe with 3/4" threaded connection; 115 VAC Sale price$629.99
Bluelab pH Probe - Inline
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Bluelab pH Probe - Inline Sale price$449.36
Bluelab Conductivity Pen
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Bluelab Conductivity Pen Sale price$225.76
Bluelab OnePen w/ Replaceable pH, Conductivity (EC), and Temperature Probe
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Bluelab OnePen w/ Replaceable pH, Conductivity (EC), and Temperature Probe Sale price$535.36
Bluelab pH Controller Wi-Fi
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Bluelab pH Controller Wi-Fi Sale price$676.00
Hanna Portable Waterproof pH/EC/TDS Meter (High Range) - Black Label Supply llc
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Hanna Portable Waterproof pH/EC/TDS Meter (High Range) Sale price$599.99
Apera GroStar GS3 EC Pen - Black Label Supply llc
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Apera GroStar GS3 EC Pen Sale price$113.99
Digital Brix Refractometer Range - 0 to 85 - Black Label Supply llc
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Digital Brix Refractometer Range - 0 to 85 Sale price$199.00
Active Air 3 - Way Meter - Black Label Supply llc
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Active Air 3 - Way Meter Sale price$13.09
GroLine direct soil EC tester Range: 0.00 to 4.00 mS/cm - Black Label Supply llc
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GroLine direct soil EC tester Range: 0.00 to 4.00 mS/cm Sale price$164.99
GroLine waterproof pH tester - Black Label Supply llc
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GroLine waterproof pH tester Sale price$99.99
HM Digital - METER, TDS, INLINE, DM-2, 1/2"QC, HM DIGITAL
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HM Digital - METER, TDS, INLINE, DM-2, 1/2"QC, HM DIGITAL Sale price$185.50
HM Digital - METER, TDS, INLINE, DM-2, 3/8" QC, HM DIGITAL
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HM Digital - METER, TDS, INLINE, DM-2, 3/8" QC, HM DIGITAL Sale price$198.60
HM Digital - METER, TDS, INLINE, DM-2, 1/4" QC, HM DIGITAL
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HM Digital - METER, TDS, INLINE, DM-2, 1/4" QC, HM DIGITAL Sale price$155.50
HM Digital - PUSH-IN, 1/4" MONITOR, TDS, CHECk QUICK, QC-1, HM DIGITAL – Axeon
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HM Digital - PUSH-IN, 1/4" MONITOR, TDS, CHECk QUICK, QC-1, HM DIGITAL Sale price$65.70
HM Digital - METER, TDS, INLINE, DM-1, 1/4" TEE, HM DIGITAL
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HM Digital - METER, TDS, INLINE, DM-1, 1/4" TEE, HM DIGITAL Sale price$85.68
GroLine Soil pH Tester – Meters
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GroLine Soil pH Tester Sale price$139.99
Bluelab Pulse Multimedia EC/MC Meter
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Bluelab Pulse Multimedia EC/MC Meter Sale price$750.36
Bluelab Multimedia pH Meter
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Bluelab Multimedia pH Meter Sale price$513.86
Bluelab Commercial Truncheon Meter
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Bluelab Commercial Truncheon Meter Sale price$333.26
Bluelab Truncheon Meter
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Bluelab Truncheon Meter Sale price$223.60
Bluelab Leap pH Probe
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Bluelab Leap pH Probe Sale price$311.76
SONIC-PRO Chemical Feed Flow Meter – Meters
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SONIC-PRO Chemical Feed Flow Meter Sale price$2,225.66
Bluelab Guardian Monitor Wi-Fi
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Bluelab Guardian Monitor Wi-Fi Sale price$986.86
PH METERS AND KITS - Black Label Supply llc
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PH METERS AND KITS Sale priceFrom $29.99
Apera GroStar GS2 Soil pH Pen - Black Label Supply llc
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Apera GroStar GS2 Soil pH Pen Sale price$256.99
Apera GroStar GS4 pH/EC Combo Pen - Black Label Supply llc
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Apera GroStar GS4 pH/EC Combo Pen Sale price$178.99
Apera GroStar GS1 pH Pen - Black Label Supply llc
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Apera GroStar GS1 pH Pen Sale price$115.99
TDS - 3 Handheld TDS meter - Black Label Supply llc
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TDS-3 Handheld TDS meter Sale price$33.99
PH/Temperature Meter - Black Label Supply llc
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PH/Temperature Meter Sale price$46.50
EC/TDS/Temp Waterproof Hydro Tester - Black Label Supply llc
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EC/TDS/Temp Waterproof Hydro Tester Sale price$42.95
Continuous pH/EC/TDS/Temp portable/wallmount/bench - Black Label Supply llc
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Continuous pH/EC/TDS/Temp portable/wallmount/bench Sale price$359.00
PH Tester w/1 Point Manual Cal - Black Label Supply llc
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PH Tester w/1 Point Manual Cal Sale price$30.00
pH Tester With 1 Point Manual Calibration - Black Label Supply llc
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pH Tester With 1 Point Manual Calibration Sale price$29.00
Milwaukee Instruments EC40 EC/TDS Nutrient Meter - Black Label Supply llc
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Milwaukee Instruments EC40 EC/TDS Nutrient Meter Sale price$95.00
2 - Way pH & Moisture Meter - Black Label Supply llc
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2-Way pH & Moisture Meter Sale price$11.84
GroLine Waterproof Portable pH/EC/TDS/Temperature Meter Kit for Hydroponics - Black Label Supply llc
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GroLine Waterproof Portable pH/EC/TDS/Temperature Meter Kit for Hydroponics Sale price$549.99
GroLine pH/Conductivity probe with built - in temperature sensor DIN connector and 2m (6.6’) cable  - Black Label Supply llc
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GroLine pH/Conductivity probe with built-in temperature sensor DIN connector and 2m (6.6’) cable  Sale price$214.99
GroLine waterproof EC/TDS/Temperature tester; EC resolution: 1 µS/cm, TDS resolution: 1 mg/L (ppm) Range: 0 to 6,000 μS/cm - Black Label Supply llc
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GroLine waterproof EC/TDS/Temperature tester; EC resolution: 1 µS/cm, TDS resolution: 1 mg/L (ppm) Range: 0 to 6,000 μS/cm Sale price$109.99
GroLine hydroponic monitor for pH, EC/TDS and temperature in fertilizer and irrigation water. 115V - Black Label Supply llc
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GroLine hydroponic monitor for pH, EC/TDS and temperature in fertilizer and irrigation water. 115V Sale price$459.99
GroLine Combo waterproof pH/EC/TDS/Temperature tester - Black Label Supply llc
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GroLine Combo waterproof pH/EC/TDS/Temperature tester Sale price$249.99
GroLine pH tester with HI1271 pH electrode - Black Label Supply llc
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GroLine pH tester with HI1271 pH electrode Sale price$64.99

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