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1500 PPM Reference Solution 8 oz

1500 PPM Reference Solution 8 oz

• Calibrates EC and PPM Comductivity Meters
• 1500 ppM (NaCl scale)
• 2190 ppM (442 scale)
• 2930 S (microSiemens)

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Hydroponic Systems

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Hydroponic Grow Lights & Bulbs

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