ph meterApera Instruments PC60 pH/EC/TDS/Temp Meterβ
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4.9~$100Buy Now on AmazonSee full detailsSee full comparison
nutrients
General Hydroponics MaxiGro Plant Food
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4.3 / 5
~$20 for 2.2 lbBuy now on Amazon (opens in new tab)About this product
The single-part powder nutrient used in the simple-system examples throughout this article β one scoop per gallon for vegetative growth.
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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
timerBN-LINK Short Period Repeat Cycle Intermittent Timerβ
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4.5~$17Buy Now on AmazonSee full details
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