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    • Top Sellers

    General Hydroponics pH Up Liquid Premium Buffering For Stability, 1 Quart ★★★★☆ 2034 $24.85 B005H78ZLC
    Botanicare pH Down Gallon (4/Cs) $35.69 B00CJIBLGS
    Bluelab Pensoilph Soil Tester pH Pen $185.00 B00CJIDFAS
    B00FJFEB2O B00FJFEB2O
    TOOGOO(R) 80 Strips Full pH 1-14 Test Indicator Litmus Paper Water Soil Testing Kit B00H8KUXN4
    Digital PH Meter PH-009 Pocket Size Water Quality pH Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools - Extra Two Packs of PH Calibration Solution Mixture $11.99 B00N7432II
    AeroGarden Liquid Nutrients (3 oz) $9.95 B00R9SASGM
    Hydroponic pH Up and Down Control Kit B00TYW6Q58
    HDE Hydroponic Fruit Vegetable Grow Kit- 3-in-1 Soil Light Sensor + TDS ppm Test Pen + pH Meter Digital Monitor $21.99 B00W2D7U9W
    Water Quality Test Meter, Yakamoz 3-in-1 Multifunctional TDS Meter with TDS EC and Temp, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy B018XZ7VIW

    New Releases

    Little Giant Automatic Hydroponic Pump, 500-APCP, 470 gph B01AKPB1YS
    B01BJDNOEK B01BJDNOEK
    Elemental Solutions O2 Cylinder Stone, 2" $1.95 B01C9JMTSK

    Most Gifted

    General Hydroponics pH Up Liquid Premium Buffering For Stability, 1 Quart ★★★★☆ 2034 $24.85 B005H78ZLC
    Flexrake CLA117 Moisture Light and pH Meter for Soil Test $12.99 B00AYXQLL0
    Bluelab Pensoilph Soil Tester pH Pen $185.00 B00CJIDFAS
    B00FJFEB2O B00FJFEB2O
    TOOGOO(R) 80 Strips Full pH 1-14 Test Indicator Litmus Paper Water Soil Testing Kit B00H8KUXN4
    B00J7KQHD8 B00J7KQHD8
    Togetherwe 4-in1 Professional LCD Temperature Moisture Sunlight Ph Garden Soil Tester Meter B00M3P4F10
    Digital PH Meter PH-009 Pocket Size Water Quality pH Tester for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools - Extra Two Packs of PH Calibration Solution Mixture $11.99 B00N7432II
    Hydroponic pH Up and Down Control Kit B00TYW6Q58
    HDE Hydroponic Fruit Vegetable Grow Kit- 3-in-1 Soil Light Sensor + TDS ppm Test Pen + pH Meter Digital Monitor $21.99 B00W2D7U9W