ph adjusterGeneral Hydroponics pH Control Kit (pH Up, pH Down, Test Indicator)β
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4.7~$22Buy Now on AmazonSee full details
calibration-solution
Bluelab pH 4.0 and 7.0 Calibration Solution Kit (500 ml each)
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Β½4.8 / 5
~$29Buy now on Amazon (opens in new tab)About this product
NIST-traceable calibration solution is the minimum maintenance a pH meter deserves β this Bluelab kit covers both calibration points in one order.
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ec meterBluelab Truncheon Nutrient Meter (EC/TDS/CF)β
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4.7~$99Buy Now on AmazonSee full details
ph ec comboBluelab IntelliDose Controller Kit (pH, EC, Wi-Fi Dosing)β
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4.5~$999Buy Now on AmazonSee full details
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