ph adjusterGeneral Hydroponics pH Control Kit (pH Up, pH Down, Test Indicator)★★★★★ 4.7~$22Buy Now on AmazonSee full details
About this product
A starter combo that measures both pH and TDS — accurate enough for a first grow of lettuce or herbs while learning calibration habits.
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nutrientsGeneral Hydroponics MaxiGro Plant Food (2.2 lb)★★★★★ 4.7~$18Buy Now on AmazonSee full details
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