PH, EC, TDS Meters & Solutions

PH, EC, TDS Meters & Solutions

  • Alchemist pH Down Non-Corrosive 2.5 Gallon (2/Cs)

    Alchemist

    Alchemist pH Down Non-Corrosive 2.5 Gallon (2/Cs)

    $83.61
    Alchemist pH Down is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous, making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of...
  • Alchemist pH Down Non-Corrosive Gallon (4/Cs)

    Alchemist

    Alchemist pH Down Non-Corrosive Gallon (4/Cs)

    $42.36
    Alchemist pH Down is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous, making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of...
  • Alchemist pH Down Non-Corrosive Quart (12/Cs)

    Alchemist

    Alchemist pH Down Non-Corrosive Quart (12/Cs)

    $14.48
    Alchemist pH Down is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous, making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of...
  • Alchemist pH Up Non-Caustic 2.5 Gallon (2/Cs)

    Alchemist

    Alchemist pH Up Non-Caustic 2.5 Gallon (2/Cs)

    $83.61
    Alchemist pH Up is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-caustic and non-hazardous, making it like no other pH buffers on the market. Alchemist pH Up Non-Caustic will not increase the conductivity of your...
  • Alchemist pH Up Non-Caustic Gallon (4/Cs)

    Alchemist

    Alchemist pH Up Non-Caustic Gallon (4/Cs)

    $42.36
    Alchemist pH Up is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-caustic and non-hazardous, making it like no other pH buffers on the market. Alchemist pH Up Non-Caustic will not increase the conductivity of your...
  • Alchemist pH Up Non-Caustic Quart (12/Cs)

    Alchemist

    Alchemist pH Up Non-Caustic Quart (12/Cs)

    $14.48
    Alchemist pH Up is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-caustic and non-hazardous, making it like no other pH buffers on the market. Alchemist pH Up Non-Caustic will not increase the conductivity of your...
  • CYCO EC Solution 1 Liter (12/Cs)

    CYCO

    CYCO EC Solution 1 Liter (12/Cs)

    $16.13
    Conductivity meter electrodes invariably become coated with inorganic or organic impurities. This causes a loss of accuracy. Conductivity (cF, mS) or TDS measurements are used to gauge the total concentration of all salts (i.e. both beneficial and toxic)...
  • Emerald Harvest pH Down 2.5 Gallon/9.46 Liter (2/Cs)

    Emerald Harvest

    Emerald Harvest pH Down 2.5 Gallon/9.46 Liter (2/Cs)

    $94.29
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as...
  • Emerald Harvest pH Down 6 Gallon/22.71 Liter (1/Cs)

    Emerald Harvest

    Emerald Harvest pH Down 6 Gallon/22.71 Liter (1/Cs)

    $175.01
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as...
  • Emerald Harvest pH Down Gallon/3.79 Liter (4/Cs)

    Emerald Harvest

    Emerald Harvest pH Down Gallon/3.79 Liter (4/Cs)

    $46.04
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as...
  • Emerald Harvest pH Down Quart/0.95 Liter (12/Cs)

    Emerald Harvest

    Emerald Harvest pH Down Quart/0.95 Liter (12/Cs)

    $15.48
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as...
  • Emerald Harvest pH Up 2.5 Gallon/9.46 Liter (2/Cs)

    Emerald Harvest

    Emerald Harvest pH Up 2.5 Gallon/9.46 Liter (2/Cs)

    $94.29
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed...
  • Emerald Harvest pH Up 6 Gallon/22.71 Liter (1/Cs)

    Emerald Harvest

    Emerald Harvest pH Up 6 Gallon/22.71 Liter (1/Cs)

    $175.01
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed...
  • Emerald Harvest pH Up Quart/0.95 Liter (12/Cs)

    Emerald Harvest

    Emerald Harvest pH Up Quart/0.95 Liter (12/Cs)

    $15.48
    Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed...
  • GH pH 4.01 Calibration Solution Quart (12/Cs)

    General Hydroponics

    GH pH 4.01 Calibration Solution Quart (12/Cs)

    $17.68
    General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions...
  • GH pH 7.01 Calibration Solution 8 oz (12/Cs)

    General Hydroponics

    GH pH 7.01 Calibration Solution 8 oz (12/Cs)

    $6.87
    General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions...
  • GH pH Test Indicator 8 oz

    General Hydroponics

    GH pH Test Indicator 8 oz

    $101.29
    General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...
  • GH pH Test Kit 1 oz (24/Cs)

    General Hydroponics

    GH pH Test Kit 1 oz (24/Cs)

    $141.85
    General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...
  • GH pH Up 8 oz (12/Cs)

    General Hydroponics

    GH pH Up 8 oz (12/Cs)

    $71.43
    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
  • GH pH Up Liquid Gallon (4/Cs)

    General Hydroponics

    GH pH Up Liquid Gallon (4/Cs)

    $21.83
    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
  • GH pH Up Liquid Quart (12/Cs)

    General Hydroponics

    GH pH Up Liquid Quart (12/Cs)

    $9.36
    This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
  • Soil Savvy - Soil Test Kit (12/Cs)

    Soil Savvy

    Soil Savvy - Soil Test Kit (12/Cs)

    $29.03
    Soil Testing Simplified! Soil Savvy™ is a teady-to-use professional-grade soil test kit available to the general public that provides an easy-to-understand fertilizer recommendation tailored to your specific soil or growing medium. Take your soil sample,...
  • Sure Test GroGuru Base w/ WIFI

    Sure Test

    Sure Test GroGuru Base w/ WIFI

    $895.86
    The Sure Test® GroGuru Base (Collector) is used to collect data from the various Stems (sold separately) with sensors. The Base then forwards this information to the cloud. A single Base can be used to communicate with up to 1,000 Stems depending on...