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
ph-meter
Apera Instruments PC60 pH/EC/TDS/Temp Meter
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Β½4.9 / 5
~$100Buy now on Amazon (opens in new tab)About this product
The four-in-one meter used in the examples throughout this article β measures pH to Β±0.01 accuracy with IP67 waterproofing and a replaceable probe.
Often bought with this
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
nutrientsGeneral Hydroponics Flora Series 3-Part Nutrient System (1 qt each)β
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4.8~$35Buy Now on AmazonSee full details
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4.5~$399Buy Now on AmazonSee full details