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| Refractometer |
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Measures the dissolved solids or “Brix” of plant sap or other solutions. Higher Brix readings mean higher sugar, protein, and nutrient content in the plant.
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Sap pH Meter |
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This meter only requires a drop of plant sap or other solution to measure the pH. A sap pH that is out of range can indicate nutrient deficiencies.
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Sap EC Meter |
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| This meter only requires a drop of plant sap to measure the electrical conductivity, or “Ergs”. Low readings can indicate nutrient deficiencies. |
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