pH | ppm | EC | Instruments
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Out of Stock
iPower 5 Pack 2FT 6400K 24W T5 Fluorescent Grow Lamp Light Bulbs
Original 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...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$7.17$7.17 - $7.17Current price $7.17Out of Stock -
Soil pH Meter, 3-in-1 Soil Test Kit for Moisture & Light & pH, iPower
Original 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...
View full detailsOriginal price $4.20 - Original price $4.20Original price$4.20$4.20 - $4.20Current price $4.20 -
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GH pH Test Kit 1 oz
Original price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $5.93$5.93 - $5.93Current price $5.93General Hydroponics® pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and obs...
View full detailsOriginal price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $5.93$5.93 - $5.93Current price $5.93Out of Stock -
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Bluelab pH 7.0 Calibration Solution 500 ml
Original price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $10.53$10.53 - $10.53Current price $10.53pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...
View full detailsOriginal price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $10.53$10.53 - $10.53Current price $10.53Out of Stock -
Out of Stock
Bluelab pH 4.0 Calibration Solution 500 ml
Original price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $10.53$10.53 - $10.53Current price $10.53pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...
View full detailsOriginal price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $10.53$10.53 - $10.53Current price $10.53Out of Stock -
Out of Stock
GH pH 7.01 Calibration Solution 8 oz
Original price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.31$4.31 - $4.31Current price $4.31General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
View full detailsOriginal price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.31$4.31 - $4.31Current price $4.31Out of Stock -
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Bluelab pH Pen
Original price $126.14Original price $126.14 - Original price $126.14Original price $126.14Current price $82.20$82.20 - $82.20Current price $82.20Measures pH and temperature. Selectable units for °C & °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration...
View full detailsOriginal price $126.14Original price $126.14 - Original price $126.14Original price $126.14Current price $82.20$82.20 - $82.20Current price $82.20Out of Stock -
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Bluelab Replacement pH Probe
Original price $83.74Original price $83.74 - Original price $83.74Original price $83.74Current price $54.57$54.57 - $54.57Current price $54.57The Bluelab® Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab® Combo Meter is portable and does not require a pow...
View full detailsOriginal price $83.74Original price $83.74 - Original price $83.74Original price $83.74Current price $54.57$54.57 - $54.57Current price $54.57Out of Stock -
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iPower High Accuracy Pocket Size Portable pH Meter pH Tester
Original 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 ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$4.70$4.70 - $4.70Current price $4.70Out of Stock -
Out of Stock
GH pH 4.01 Calibration Solution 8 oz
Original price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.92$4.92 - $4.92Current price $4.92General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
View full detailsOriginal price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.92$4.92 - $4.92Current price $4.92Out of Stock -
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Bluelab Growers Toolbox
Original price $212.99 - Original price $212.99Original price$212.99$212.99 - $212.99Current price $212.99Original price $212.99 - Original price $212.99Original price$212.99$212.99 - $212.99Current price $212.99Out of Stock -
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Bluelab pH Probe KCl Storage Solution 100 ml
Original price $12.58Original price $12.58 - Original price $12.58Original price $12.58Current price $8.50$8.50 - $8.50Current price $8.50Original price $12.58Original price $12.58 - Original price $12.58Original price $12.58Current price $8.50$8.50 - $8.50Current price $8.50Out of Stock -
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Bluelab PPM Pen
Original price $104.94Original price $104.94 - Original price $104.94Original price $104.94Current price $68.39$68.39 - $68.39Current price $68.39Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful ...
View full detailsOriginal price $104.94Original price $104.94 - Original price $104.94Original price $104.94Current price $68.39$68.39 - $68.39Current price $68.39Out of Stock -
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HM Digital Handheld TDS-3 Tester
Original 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...
View full detailsOriginal price $30.22Original price $30.22 - Original price $30.22Original price $30.22Current price $20.15$20.15 - $20.15Current price $20.15Out of Stock -
Out of Stock
GH pH 7.01 Calibration Solution Quart
Original price $25.75Original price $25.75 - Original price $25.75Original price $25.75Current price $13.95$13.95 - $13.95Current price $13.95General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
View full detailsOriginal price $25.75Original price $25.75 - Original price $25.75Original price $25.75Current price $13.95$13.95 - $13.95Current price $13.95Out of Stock -
Out of Stock
Bluelab pH 7.0 Calibration Solution 250 ml
Original price $10.50 - Original price $10.50Original price $10.50$10.50$10.50 - $10.50Current price $10.50pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...
View full detailsOriginal price $10.50 - Original price $10.50Original price $10.50$10.50$10.50 - $10.50Current price $10.50Out of Stock -
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Milwaukee pH Meter pH600 AQ
Original price $24.99 - Original price $24.99Original price$24.99$24.99 - $24.99Current price $24.99Original price $24.99 - Original price $24.99Original price$24.99$24.99 - $24.99Current price $24.99Out of Stock -
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Bluelab 2.77EC Conductivity Solution 500 ml
Original price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $12.44$12.44 - $12.44Current price $12.44The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...
View full detailsOriginal price $18.90Original price $18.90 - Original price $18.90Original price $18.90Current price $12.44$12.44 - $12.44Current price $12.44Out of Stock -
Out of Stock
iPower 5 Pack 2FT 2700K 24W T5 Fluorescent Grow Lamp Light Bulbs
Original 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...
View full detailsOriginal price $7.29 - Original price $7.29Original price$7.29$7.29 - $7.29Current price $7.29Out of Stock -
iPower 4-Pack 19" Clean Cut Bowl Leaf Trimmer Replacement Stainless Cutting Blade, 2 Serrated Blades & 2 Straight Blades
Original price $13.81 - Original price $13.81Original price$13.81$13.81 - $13.81Current price $13.81- FUNCTION: Stainless steel, razor sharp for crisp, clean cuts, replacement cutting blade for iPower 19" bowl trimmers- INCLUDES 4 BLADES: 2 serrat...
View full detailsOriginal price $13.81 - Original price $13.81Original price$13.81$13.81 - $13.81Current price $13.81 -
Out of Stock
Bluelab pH 4.0 Calibration Solution 250 ml
Original price $10.50Original price $10.50 - Original price $10.50Original price $10.50Current price $6.91$6.91 - $6.91Current price $6.91pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...
View full detailsOriginal price $10.50Original price $10.50 - Original price $10.50Original price $10.50Current price $6.91$6.91 - $6.91Current price $6.91Out of Stock -
iPower 4-Pack 13.4" (L) x 0.4" (W) Inch Trimmer Blade Replacement 16" Inch Bud Trimmer Bowl, 2 Serrated & 2 Straight Blades
Original price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48FUNCTION: Stainless steel, razor sharp for crisp, clean cuts, replacement cutting blade for iPower 16" bowl trimmers INCLUDES 4 BLADES: 2 serrat...
View full detailsOriginal price $11.48 - Original price $11.48Original price$11.48$11.48 - $11.48Current price $11.48 -
Out of Stock
Oakton Waterproof EcoTestr pH 1
Original price $77.02Original price $77.02 - Original price $77.02Original price $77.02Current price $45.95$45.95 - $45.95Current price $45.95Original price $77.02Original price $77.02 - Original price $77.02Original price $77.02Current price $45.95$45.95 - $45.95Current price $45.95Out of Stock -
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Bluelab pH Down 1 Gallon
Original price $0.00 - Original price $0.00Original price $0.00$40.50$40.50 - $40.50Current price $40.50Original price $0.00 - Original price $0.00Original price $0.00$40.50$40.50 - $40.50Current price $40.50Out of Stock -
Out of Stock
GH pH 4.01 Calibration Solution Quart
Original price $25.75Original price $25.75 - Original price $25.75Original price $25.75Current price $13.95$13.95 - $13.95Current price $13.95General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
View full detailsOriginal price $25.75Original price $25.75 - Original price $25.75Original price $25.75Current price $13.95$13.95 - $13.95Current price $13.95Out of Stock -
Out of Stock
HM Digital Water Resistant Ec-TDS Meter with Temperature in C-F Hydrotester (Model COM-80)
Original price $46.44Original price $46.44 - Original price $46.44Original price $46.44Current price $31.07$31.07 - $31.07Current price $31.07Original price $46.44Original price $46.44 - Original price $46.44Original price $46.44Current price $31.07$31.07 - $31.07Current price $31.07Out of Stock -
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Bluelab Soil pH Pen
Original price $210.94Original price $210.94 - Original price $210.94Original price $210.94Current price $119.06$119.06 - $119.06Current price $119.06Original price $210.94Original price $210.94 - Original price $210.94Original price $210.94Current price $119.06$119.06 - $119.06Current price $119.06Out of Stock -
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Rapitest Digital Soil pH Meter
Original price $21.79 - Original price $21.79Original price$21.79$21.79 - $21.79Current price $21.79Rapitest Digital Soil pH Meter indicates soil pH levels from 3.5 to 9.0 in a digital readout. The meter’s probe measures 5.625 inches long. Printed...
View full detailsOriginal price $21.79 - Original price $21.79Original price$21.79$21.79 - $21.79Current price $21.79Out of Stock -
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HM Digital pH 80 Meter
Original price $49.29Original price $49.29 - Original price $49.29Original price $49.29Current price $39.51$39.51 - $39.51Current price $39.51Original price $49.29Original price $49.29 - Original price $49.29Original price $49.29Current price $39.51$39.51 - $39.51Current price $39.51Out of Stock -
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Bluelab 2.77EC Conductivity Solution 250 ml
Original price $10.50Original price $10.50 - Original price $10.50Original price $10.50Current price $6.91$6.91 - $6.91Current price $6.91The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...
View full detailsOriginal price $10.50Original price $10.50 - Original price $10.50Original price $10.50Current price $6.91$6.91 - $6.91Current price $6.91Out of Stock -
Bluelab Probe Care Kit - pH
Original price $23.32Original price $23.32 - Original price $23.32Original price $23.32Current price $15.19$15.19 - $15.19Current price $15.19Everything you need to clean, hydrate and calibrate pH probes. Probe cleaning and correctly storing pH probes ensures you get the most accurate rea...
View full detailsOriginal price $23.32Original price $23.32 - Original price $23.32Original price $23.32Current price $15.19$15.19 - $15.19Current price $15.19 -
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SureTest pH Test Strip Kit 5.5 - 8.0
Original price $7.99 - Original price $7.99Original price$7.99$7.99 - $7.99Current price $7.99Original price $7.99 - Original price $7.99Original price$7.99$7.99 - $7.99Current price $7.99Out of Stock -
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Rapitest Mini pH Tester
Original price $6.30 - Original price $6.30Original price$6.30$6.30 - $6.30Current price $6.30Original price $6.30 - Original price $6.30Original price$6.30$6.30 - $6.30Current price $6.30Out of Stock -
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HM Digital Waterproof pH Meter
Original price $108.07Original price $108.07 - Original price $108.07Original price $108.07Current price $86.61$86.61 - $86.61Current price $86.61Original price $108.07Original price $108.07 - Original price $108.07Original price $108.07Current price $86.61$86.61 - $86.61Current price $86.61Out of Stock -
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Bluelab Guardian Monitor Power Supply
Original price $30.74Original price $30.74 - Original price $30.74Original price $30.74Current price $20.03$20.03 - $20.03Current price $20.03Bluelab Guardian Monitor Power Supply
Original price $30.74Original price $30.74 - Original price $30.74Original price $30.74Current price $20.03$20.03 - $20.03Current price $20.03Out of Stock -
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Bluelab pH Probe KCI Storage Solution 250ml
Original price $24.50Original price $24.50 - Original price $24.50Original price $24.50Current price $16.13$16.13 - $16.13Current price $16.13The perfect solution to store and hydrate your Bluelab pH products. Bluelab® pH Probe KCl Storage Solution is made specifically for use with Bluela...
View full detailsOriginal price $24.50Original price $24.50 - Original price $24.50Original price $24.50Current price $16.13$16.13 - $16.13Current price $16.13Out of Stock -
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Rapitest Soil Test pH N,P,K (6-Cs)
Original price $22.79 - Original price $22.79Original price$22.79$22.79 - $22.79Current price $22.79Rapitest Soil Test Kit uses a patented color comparator test system. Performs forty (40) tests, ten (10) each for soil pH, Nitrogen, Phosphorus and...
View full detailsOriginal price $22.79 - Original price $22.79Original price$22.79$22.79 - $22.79Current price $22.79Out of Stock -
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24-7 Nutrient Monitor
Original price $159.99 - Original price $159.99Original price$159.99$159.99 - $159.99Current price $159.99Original price $159.99 - Original price $159.99Original price$159.99$159.99 - $159.99Current price $159.99Out of Stock -
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HM Digital pH Electrode Storage Solution
Original price $5.11 - Original price $5.11Original price$5.11$5.11 - $5.11Current price $5.11Original price $5.11 - Original price $5.11Original price$5.11$5.11 - $5.11Current price $5.11Out of Stock -
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Bluelab pH Down 1 Liter
Original price $0.00 - Original price $0.00Original price $0.00$12.99$12.99 - $12.99Current price $12.99Original price $0.00 - Original price $0.00Original price $0.00$12.99$12.99 - $12.99Current price $12.99Out of Stock -
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Accurate pH 8 Soil pH & Moisture Meter
Original price $71.99 - Original price $71.99Original price$71.99$71.99 - $71.99Current price $71.99Original price $71.99 - Original price $71.99Original price$71.99$71.99 - $71.99Current price $71.99Out of Stock -
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HortiCare Nutrient Check PPM
Original 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 -
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Bluelab pH Controller
Original 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...
View full detailsOriginal price $740.94Original price $740.94 - Original price $740.94Original price $740.94Current price $482.88$482.88 - $482.88Current price $482.88Out of Stock -
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HM Digital Aquapro TDS Water Tester
Original 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 -
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GH 1500 PPM Reference Solution 8 oz
Original price $5.99 - Original price $5.99Original price$5.99$5.99 - $5.99Current price $5.99Original price $5.99 - Original price $5.99Original price$5.99$5.99 - $5.99Current price $5.99Out of Stock -
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HM Waterproof EC-TDS-Temp Combo Meter
Original price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99Original price $56.99 - Original price $56.99Original price$56.99$56.99 - $56.99Current price $56.99Out of Stock -
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Bluelab Guardian Connect
Original 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...
View full detailsOriginal price $507.74Original price $507.74 - Original price $507.74Original price $507.74Current price $330.90$330.90 - $330.90Current price $330.90Out of Stock -
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Bluelab Original Truncheon Meter
Original 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...
View full detailsOriginal 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
pH/EC Maintenance