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Product Image:Advanced Nutrients pH UpProduct Secondary Image:Advanced Nutrients pH Up
Regular price$ 15.55 Sale priceFrom $ 12.95
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Product Image:Advanced Nutrients pH DownProduct Secondary Image:Advanced Nutrients pH Down
Regular price$ 27.99 Sale priceFrom $ 23.95
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Product Image:Bluelab calibration solution PH 7.0 500 ml
Regular price$ 29.95 Sale price$ 26.95
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Product Image:Bluelab Calibration Solution pH 4.0 500ml
Regular price$ 29.95 Sale price$ 26.95
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Product Image:Bluelab pH PenProduct Secondary Image:Bluelab pH Pen
Regular price$ 158.00 Sale price$ 149.95
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Product Image:Bluelab pH Probe KCI Storage Solution 250 ml
Regular price$ 36.95 Sale price$ 32.99
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Product Image:General Hydroponics pH Up ProfessionalProduct Secondary Image:General Hydroponics pH Up Professional
Product Image:Hanna Instruments HI 70300L Storage Solution 500 ml
Product Image:Hanna Instruments 7007L Buffer Solution PH 7.01 500 ml
Product Image:Alfred pH Test Strips (4.5-9) Unit
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Product Image:Nutri+ Phosphoric Acid Ph- 34%Product Secondary Image:Nutri+ Phosphoric Acid Ph- 34%
Regular price$ 25.62 Sale priceFrom $ 22.95
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Product Image:Bluelab Conductivity (EC or PPM) PenProduct Secondary Image:Bluelab Conductivity (EC or PPM) Pen
Regular price$ 129.95 Sale price$ 119.95
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Product Image:NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7Product Secondary Image:NUTRI+ FLORASOL CALIBRATION SOLUTION PH 7
Sale priceFrom $ 12.95
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Product Image:Bluelab Probe PH + Conductivity Care Kit
Regular price$ 44.95 Sale price$ 40.99
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Product Image:Nutri+ PH Quick Check Tester
Sale price$ 38.95
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Product Image:Bluelab EC 2.77 - 1385 ppm standard solution 500 ml
Regular price$ 29.95 Sale price$ 26.95
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Product Image:TNB Naturals Granular pH DownProduct Secondary Image:TNB Naturals Granular pH Down
Regular price$ 23.95 Sale priceFrom $ 19.99
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Product Image:Hanna Instruments 7004L BUFFER SOLUTION PH 4.01 500 ML
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Product Image:Bluelab Combo Meter (PH, EC, TDS)
Regular price$ 436.00 Sale price$ 369.95
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Product Image:BLUELAB PH Probe
Regular price$ 139.08 Sale price$ 109.95
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Product Image:TNB Naturals Granular pH UpProduct Secondary Image:TNB Naturals Granular pH Up
Regular price$ 23.99 Sale priceFrom $ 19.99
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Product Image:Nutri+ Potassium Hydroxide Ph+ 34%Product Secondary Image:Nutri+ Potassium Hydroxide Ph+ 34%
Regular price$ 21.96 Sale priceFrom $ 19.95
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Product Image:Nutri+ Florasol Calibration Solution PH 4Product Secondary Image:Nutri+ Florasol Calibration Solution PH 4
Sale priceFrom $ 12.95
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