Probes & Meters
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iPower 5 Pack 2FT 6400K 24W T5 Fluorescent Grow Lamp Light Bulbs
iPowerOriginal price $0.00 - Original price $0.00Original price $0.00$7.17$7.17 - $7.17Current price $7.17✔Package Includes: 5 Packs T5 HO Fluorescent Grow Light Bulbs of 24W Each ✔Color Temperature: 6400K. Cool spectrum for vegetative growing ✔Lumen: 2...
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Soil pH Meter, 3-in-1 Soil Test Kit for Moisture & Light & pH, iPower
iPowerOriginal price $4.20 - Original price $4.20Original price$4.20$4.20 - $4.20Current price $4.20A 3-in-1 soil test meter that takes the guesswork out of gardening The iPower 3-in-1 Soil Meter is three meters in one device. With our soil pH met...
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iPower High Accuracy Pocket Size Portable pH Meter pH Tester
iPowerOriginal price $0.00 - Original price $0.00Original price $0.00$4.70$4.70 - $4.70Current price $4.70Digital PH Meter Water Tester This pH meter is affordable and useful for those who need a PH tester for household and laboratory use. Its not only ...
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HM Digital Handheld TDS-3 Tester
HM DigitalOriginal price $30.22Original price $30.22 - Original price $30.22Original price $30.22Current price $20.15$20.15 - $20.15Current price $20.15Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hol...
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iPower 5 Pack 2FT 2700K 24W T5 Fluorescent Grow Lamp Light Bulbs
iPowerOriginal price $7.29 - Original price $7.29Original price$7.29$7.29 - $7.29Current price $7.29✔Package Includes: 5 Packs T5 HO Fluorescent Grow Light Bulbs of 24W Each ✔Color Temperature: 2700K. Warm spectrum for flower production ✔Lumen: 22...
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HortiCare Nutrient Check PPM
HortiCareOriginal price $62.16 - Original price $62.16Original price$62.16$62.16 - $62.16Current price $62.16Original price $62.16 - Original price $62.16Original price$62.16$62.16 - $62.16Current price $62.16Out of Stock -
Bluelab pH Controller
ZenHydroXOriginal price $740.94Original price $740.94 - Original price $740.94Original price $740.94Current price $482.88$482.88 - $482.88Current price $482.88Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You s...
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HM Digital Aquapro TDS Water Tester
HM DigitalOriginal price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80Original price $25.80 - Original price $25.80Original price$25.80$25.80 - $25.80Current price $25.80Out of Stock -
Bluelab Guardian Connect
BlueLabOriginal price $507.74Original price $507.74 - Original price $507.74Original price $507.74Current price $330.90$330.90 - $330.90Current price $330.90The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient so...
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Bluelab Original Truncheon Meter
BlueLabOriginal price $157.94Original price $157.94 - Original price $157.94Original price $157.94Current price $102.93$102.93 - $102.93Current price $102.93With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry a...
查看完整细节Original price $157.94Original price $157.94 - Original price $157.94Original price $157.94Current price $102.93$102.93 - $102.93Current price $102.93Out of Stock -
Bluelab pH Meter
BluelabOriginal price $170.27 - Original price $170.27Original price$170.27$170.27 - $170.27Current price $170.27The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the pH probe into the solution and the reading will b...
查看完整细节Original price $170.27 - Original price $170.27Original price$170.27$170.27 - $170.27Current price $170.27Out of Stock -
Bluelab Commercial Truncheon Meter
BlueLabOriginal price $157.94Original price $157.94 - Original price $157.94Original price $157.94Current price $102.93$102.93 - $102.93Current price $102.93With a conductivity range right up to 6.0 EC (60 CF, 3000 ppm x 500 and 4200 ppm x 700), it will never leave you short. The Bluelab Commercial Trun...
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HM Digital pH - TDS - EC - Temp meter
HM DigitalOriginal price $172.94Original price $172.94 - Original price $172.94Original price $172.94Current price $138.62$138.62 - $138.62Current price $138.62Original price $172.94Original price $172.94 - Original price $172.94Original price $172.94Current price $138.62$138.62 - $138.62Current price $138.62Out of Stock -
Future Harvest Grow Boss - Nutrient Monitor
Future HarvestOriginal price $0.00 - Original price $0.00Original price $0.00$224.98$224.98 - $224.98Current price $224.98Original price $0.00 - Original price $0.00Original price $0.00$224.98$224.98 - $224.98Current price $224.98Out of Stock -
HM Digital Hydromaster Portable
HM DigitalOriginal price $0.00 - Original price $0.00Original price $0.00$224.99$224.99 - $224.99Current price $224.99Original price $0.00 - Original price $0.00Original price $0.00$224.99$224.99 - $224.99Current price $224.99Out of Stock -
24-7 pH Replacement Probe
Rose CityOriginal price $0.00 - Original price $0.00Original price $0.00$34.99$34.99 - $34.99Current price $34.99A great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Its large illuminated green LC...
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HM Digital HydroMaster HM-500
HM DigitalOriginal price $0.00 - Original price $0.00Original price $0.00$248.99$248.99 - $248.99Current price $248.99Original price $0.00 - Original price $0.00Original price $0.00$248.99$248.99 - $248.99Current price $248.99Out of Stock -
Milwaukee MC720 pH Controller w- Dosing Pump Kit
MilwaukeeOriginal price $0.00 - Original price $0.00Original price $0.00$259.99$259.99 - $259.99Current price $259.99Original price $0.00 - Original price $0.00Original price $0.00$259.99$259.99 - $259.99Current price $259.99Out of Stock -
Bluelab Soil pH Replacement Probe
Coco-canOriginal price $82.05 - Original price $82.05Original price$82.05$82.05 - $82.05Current price $82.05Original price $82.05 - Original price $82.05Original price$82.05$82.05 - $82.05Current price $82.05Out of Stock -
Oakton Replacement Electrode pH 10-20-30
OaktonOriginal price $78.64 - Original price $78.64Original price$78.64$78.64 - $78.64Current price $78.64Original price $78.64 - Original price $78.64Original price$78.64$78.64 - $78.64Current price $78.64Out of Stock -
Oakton Waterproof pHTestr 30
OaktonOriginal price $126.25 - Original price $126.25Original price$126.25$126.25 - $126.25Current price $126.25Original price $126.25 - Original price $126.25Original price$126.25$126.25 - $126.25Current price $126.25Out of Stock -
Sure Test Commercial Lab Meter Replacement EC - TDS Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$36.99$36.99 - $36.99Current price $36.99Original price $0.00 - Original price $0.00Original price $0.00$36.99$36.99 - $36.99Current price $36.99Out of Stock -
Sure Test Commercial Lab Meter Replacement pH Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$29.99$29.99 - $29.99Current price $29.99Original price $0.00 - Original price $0.00Original price $0.00$29.99$29.99 - $29.99Current price $29.99Out of Stock -
Sure Test GroGuru Stem w- 1 Sensor
Sure TestOriginal price $217.93 - Original price $217.93Original price$217.93$217.93 - $217.93Current price $217.93Original price $217.93 - Original price $217.93Original price$217.93$217.93 - $217.93Current price $217.93Out of Stock -
Sure Test Commercial Lab Meter Replacement ORP Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$58.99$58.99 - $58.99Current price $58.99Original price $0.00 - Original price $0.00Original price $0.00$58.99$58.99 - $58.99Current price $58.99Out of Stock -
Sure Test Pro pH Pen Replacement Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$22.99$22.99 - $22.99Current price $22.99Original price $0.00 - Original price $0.00Original price $0.00$22.99$22.99 - $22.99Current price $22.99Out of Stock -
Sure Test Commercial Replacement EC Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$23.99$23.99 - $23.99Current price $23.99Original price $0.00 - Original price $0.00Original price $0.00$23.99$23.99 - $23.99Current price $23.99Out of Stock -
Sure Test Commercial Replacement DO Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$42.99$42.99 - $42.99Current price $42.99Original price $0.00 - Original price $0.00Original price $0.00$42.99$42.99 - $42.99Current price $42.99Out of Stock -
Sure Test Commercial Replacement pH Probe
Sure TestOriginal price $0.00 - Original price $0.00Original price $0.00$23.99$23.99 - $23.99Current price $23.99Original price $0.00 - Original price $0.00Original price $0.00$23.99$23.99 - $23.99Current price $23.99Out of Stock -
Nutradip Grow Boss TDS Replacement Probe
Future HarvestOriginal price $0.00 - Original price $0.00Original price $0.00$51.28$51.28 - $51.28Current price $51.28Original price $0.00 - Original price $0.00Original price $0.00$51.28$51.28 - $51.28Current price $51.28Out of Stock -
HM Digital Replacement pH Sensor
HM DigitalOriginal price $0.00 - Original price $0.00Original price $0.00$40.19$40.19 - $40.19Current price $40.19Original price $0.00 - Original price $0.00Original price $0.00$40.19$40.19 - $40.19Current price $40.19Out of Stock -
Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter
OaktonOriginal price $0.00 - Original price $0.00Original price $0.00$81.99$81.99 - $81.99Current price $81.99Oakton® Conductivity, TDS and Salinity in one meter. Expanded 4-digit dual-line display shows conductivity and temperature readings simultaneously....
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Agrowtek Liquid Tight Gland Kit for Hydro Sensor Probes
AgrowtekOriginal price $0.00 - Original price $0.00Original price $0.00$12.16$12.16 - $12.16Current price $12.16Original price $0.00 - Original price $0.00Original price $0.00$12.16$12.16 - $12.16Current price $12.16Out of Stock -
Agrowtek Temperature Probe
AgrowtekOriginal price $0.00 - Original price $0.00Original price $0.00$47.84$47.84 - $47.84Current price $47.84Original price $0.00 - Original price $0.00Original price $0.00$47.84$47.84 - $47.84Current price $47.84Out of Stock -
Agrowtek pH Probe
AgrowtekOriginal price $0.00 - Original price $0.00Original price $0.00$96.49$96.49 - $96.49Current price $96.49Original price $0.00 - Original price $0.00Original price $0.00$96.49$96.49 - $96.49Current price $96.49Out of Stock -
Agrowtek Grow Control Hydro Sensor Kit w- Probes (pH-EC-Temp)
AgrowtekOriginal price $0.00 - Original price $0.00Original price $0.00$485.68$485.68 - $485.68Current price $485.68Original price $0.00 - Original price $0.00Original price $0.00$485.68$485.68 - $485.68Current price $485.68Out of Stock -
Agrowtek EC Probe
AgrowtekOriginal price $0.00 - Original price $0.00Original price $0.00$120.81$120.81 - $120.81Current price $120.81Original price $0.00 - Original price $0.00Original price $0.00$120.81$120.81 - $120.81Current price $120.81Out of Stock -
Dosatron Nutrient Delivery System - EC (PPM) - pH - Temp Monitor Kit
DosatronOriginal price $1,245.11Original price $1,245.11 - Original price $1,245.11Original price $1,245.11Current price $1,237.87$1,237.87 - $1,237.87Current price $1,237.87Original price $1,245.11Original price $1,245.11 - Original price $1,245.11Original price $1,245.11Current price $1,237.87$1,237.87 - $1,237.87Current price $1,237.87Out of Stock -
Oakton Multi PT Testr 35 - PH-TDS-Temp
OaktonOriginal price $150.37 - Original price $150.37Original price$150.37$150.37 - $150.37Current price $150.37Original price $150.37 - Original price $150.37Original price$150.37$150.37 - $150.37Current price $150.37Out of Stock -
Oakton Waterproof pHTestr 10
OaktonOriginal price $104.25 - Original price $104.25Original price$104.25$104.25 - $104.25Current price $104.25Original price $104.25 - Original price $104.25Original price$104.25$104.25 - $104.25Current price $104.25Out of Stock
Probes & Meters and Green Houses Benefits
With a simple test using the best hydroponic pH meter, you can determine if your plants need water or pH adjustment or more of a nutrient, if you have the right hydroponic meters to measure different parameters. The best pH meter for hydroponics and probes to measure pH, TDS, temperature, EC and humidity can be found at Zenhydro. Pick a hydro pH meter or EC pH meter hydroponics from brands such as Hanna Instruments, HM Digital and Blue Lab.