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    • GroStar GS2 Soil pH Pen

      GroStar GS2 Soil pH Pen

      GroStar Product DocumentsGroStar pH 4 Solution SDSGroStar pH 7 Solution SDSGroStar pH 10 Solution SDSGroStar ORP Storage Solution SDSLab grade instruments designed specifically for growers! The GS2 Soil pH Pen includes: pH 7 & pH 4 solution (50ml bottles...

      $256.99 $200.95
    • Apera Instruments GroStar GS1 pH Pen

      Apera Instruments GroStar GS1 pH Pen

      GroStar Product DocumentsGroStar pH 4 Solution SDSGroStar pH 7 Solution SDSGroStar pH 10 Solution SDSGroStar ORP Storage Solution SDSLab grade instruments designed specifically for growers! The GS1 pH Pen includes: pH 7 & pH4 calibration solution (50ml...

      $115.99 $96.81
    • CYCO pH 4.0 Solution, 1 Liter

      CYCO pH 4.0 Solution, 1 Liter

      The most common reasons for pH meter error is dry storage of the electrode and electrode contamination. These cause loss of accuracy, reduced performance and slower response times. Thoroughly clean the electrode after use and always store your pH meter...

      $21.00 $8.97
    • Bluelab pH Pen Bluelab pH Pen - Garden care

      Bluelab pH Pen

        Bluelab Product Documents Bluelab pH Pen Cleaning Instructions Bluelab pH Pen Care and Use Instructions Bluelab pH Pen Spec Sheet Bluelab EC & pH Pen Brochure Bluelab ppm & pH Pen Brochure The Bluelab pH Pen is the most simple,...

      $119.00 $81.82
    • Bluelab Multimedia pH Meter with Leap Probe Included Bluelab Multimedia pH Meter with Leap Probe Included - Garden care

      Bluelab Multimedia pH Meter with Leap Probe Included

      Bluelab Product DocumentsBluelab Multimedia pH Meter Instructions & Spec Sheet Fast, accurate pH measurement in nutrient solution and root-zone from the palm of your hand. The pH level of solutions, soils, substrates, media and nutrient solutions...

      $279.00 $190.40
    • General Hydroponics pH Down, 8 oz. Pack of 12

      General Hydroponics pH Down, 8 oz. Pack of 12

      General Hydroponics Product Documents General Hydroponics pH Down SDS General Hydroponics pH Down Liquid is formulated using food grade Phosphoric acid to create a premium solution for maintaining and lowering a nutrient's pH. Just add a little at a...

      $78.33 $72.50
    • General Hydroponics pH Control Kit - case of 12 General Hydroponics pH Control Kit - case of 12 - Garden care

      General Hydroponics pH Control Kit - case of 12

      General Hydroponics Product Documents General Hydroponics™ pH Up MSDS General Hydroponics™ pH Down MSDS General Hydroponics™ pH Test Indicator MSDS Dial In Your Plant Nutrition With The General Hydroponics pH...

      $165.78 $161.04
    • Mad Farmer pH Test Kit

      Mad Farmer pH Test Kit

      The 1 oz of Mad Farmer's Test Indicator Solution is used to test the pH of liquid nutrient solutions.

      $7.35 $6.06
    • Milwaukee pH Tester With 1 Point Manual Calibration Milwaukee pH Tester With 1 Point Manual Calibration - Garden care

      Milwaukee pH Tester With 1 Point Manual Calibration

      Milwaukee's economical tester is an easy-to-use, low cost instruments to measure quick and reliable pH, EC or TDS values.Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee...

      $57.99 $23.49
    • HM Digital PH/Temperature Meter HM Digital PH/Temperature Meter - Garden care

      HM Digital PH/Temperature Meter

      The HM Digital PH/Temperature Meter is one of the most affordable solutions to testing nutrient solution pH and temperature at the same time. You can ensure you are feeding your plants nutrients that they can actually uptake, because without knowing pH...

      $71.50 $37.41
    • HM Digital Waterproof pH/Temperature Meter HM Digital Waterproof pH/Temperature Meter - Garden care

      HM Digital Waterproof pH/Temperature Meter

      Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture...

      $101.92 $81.33
    • Pargro Metal Needle for 60CC Syringe

      Pargro Metal Needle for 60CC Syringe

      Metal Needles for 60CC SyringeUsed by the pros to take water samples deep inside a Grodan stonewool block or slab for better pH and EC analysis. Fits any standard Luer-Lock plastic syringe.

      $31.95 $6.26
    • Active Aqua pH Test Kit

      Active Aqua pH Test Kit

      (Wide Spectrum) Measures 3-10 pH.The Hydroponic pH test kit is good for 150 tests. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3-10 measuring in 0.1 increments.

      $31.31 $5.99
    • Autopilot Digital pH Controller and Doser Autopilot Digital pH Controller and Doser - Garden care

      Autopilot Digital pH Controller and Doser

        Autopilot Product Documents APCEPH1 Product Info The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water. After selecting...

      $419.20 $325.95

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