calibration solutionBluelab pH 4.0 and 7.0 Calibration Solution Kit (500 ml each)β
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4.8~$29Buy Now on AmazonSee full details
About this product
A budget pH-only meter with two-point calibration and ATC β a step above single-point meters for beginners on a tight budget.
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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
nutrientsGeneral Hydroponics MaxiGro Plant Food (2.2 lb)β
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4.7~$18Buy Now on AmazonSee full details
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