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pH/EC

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Regular price $2.69
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Bluelab® 7.0 Calibration Solution- 18ml Bluelab calibration solution pH 7 18ml sachet.
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Bluelab® 4.0 Calibration Solution- 18ml Bluelab calibration solution pH 4 18ml sachet.
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The acid formulation uses phosphoric acid to lower the pH to the proper level. Available in store only.
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This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. Available i...
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Bluelab® pH Probe KCl Storage Solution- 100ml The perfect solution to store and hydrate pH probes. pH probes are sensitive glass instruments which age through everyday use. Bluelab® pH Probe KCl St...
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Say goodbye to nutrient lockout and hello to heavier harvests. Our scientists engineered  pH-Down with Phosphoric Acid, so you can easily achieve the ideal pH levels for optimal nutrient absorption...