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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$ 15.55 Sale priceFrom $ 12.95
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Product Image:General Hydroponics pH Up ProfessionalProduct Secondary Image:General Hydroponics pH Up Professional
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Product Image:Cyco pH DownProduct Secondary Image:Cyco pH Down
Regular price$ 29.95 Sale priceFrom $ 21.99
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Product Image:Hanna Instruments 7030L EC SOLUTION 12880 µS / CM 500 ML
Product Image:Hanna Instruments HI 70300L Storage Solution 500 ml
Product Image:Hanna Instruments 7007L Buffer Solution PH 7.01 500 ml
Product Image:Hanna Instruments 7004L BUFFER SOLUTION PH 4.01 500 ML
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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:Nutri+ Potassium Carbonate Ph+ 17%Product Secondary Image:Nutri+ Potassium Carbonate Ph+ 17%
Sale priceFrom $ 10.95
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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: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: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:FloraFlex Bulky BProduct Secondary Image:FloraFlex Bulky B
Sale priceFrom $ 20.95
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Product Image:HM NaCl Calibration SolutionProduct Secondary Image:HM NaCl Calibration Solution
Sale price$ 12.95
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Product Image:TNB Naturals pH Down PowderProduct Secondary Image:TNB Naturals pH Down Powder
Sale priceFrom $ 19.99
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Product Image:HM Digital pH  Buffer Solution - 20 packets of 20mlProduct Secondary Image:HM Digital pH  Buffer Solution - 20 packets of 20ml
Product Image:TNB Naturals pH Up PowderProduct Secondary Image:TNB Naturals pH Up Powder
Sale priceFrom $ 20.95
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Product Image:HM pH Buffer SolutionProduct Secondary Image:HM pH Buffer Solution
Sale price$ 15.95
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Product Image:HM Digital pH Electrode Storage Solution
Product Image:House and Garden pH Osmosis Stabilizer 1 Litre
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Product Image:TrolMaster Aqua-X Heavy Duty pH Sensor (PPH-2)Product Secondary Image:TrolMaster Aqua-X Heavy Duty pH Sensor (PPH-2)
Regular price$ 249.95 Sale price$ 238.99
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