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Adjusting the level of pH can be quite a hassle if you don’t have the right tools to do the job. After testing your levels with pH meter, you might find your pH levels not where you want them to be. pH adjusters help you get rid of this problem. At Groindoor.com, we have a multitude of pH adjusters to keep your pH levels with the correct range at all times.

What are pH adjusters?

Like its name suggests, pH adjusters are used to keep the plant's pH levels within the ideal range. The adjusters can be used in both acidic and basic solutions. All you have to do is add a little pH up or down to the solution or you reservoir and you’re good to go.

However, if you’re wondering how the pH adjustment process takes place, check out our learning Center blog on measuring and adjusting pH for your garden! If you want to find out further about pH adjusters, then feel free to call one of our expert growers at 866-GRO-INDR for any other questions you may have.

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    Cutting Edge Solutions pH Up, 1 gal, case of 4

    pH Up Gallon, CASE OF 4CES pH Up™Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading...

    $105.99 $76.11
  • Cutting Edge Solutions pH Up, 1 qt, case of 12

    Cutting Edge Solutions pH Up, 1 qt, case of 12

    pH Up Quart, CASE OF 12CES pH Up™Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading...

    $128.99 $91.55
  • Cutting Edge Solutions pH Down, 1 gal, case of 4

    Cutting Edge Solutions pH Down, 1 gal, case of 4

    pH Down Gallon, CASE OF 4CES pH Down™Concentrated pH adjustment liquid, acidic buffer lowers water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note...

    $105.99 $76.11
  • Cutting Edge Solutions pH Down, 1 qt, case of 12

    Cutting Edge Solutions pH Down, 1 qt, case of 12

    pH Down Quart, CASE OF 12CES pH Down™Concentrated pH adjustment liquid, acidic buffer lowers water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note...

    $128.99 $91.55
  • X Nutrients pH Up, 1 Quart X Nutrients pH Up, 1 Quart

    X Nutrients pH Up, 1 Quart

    X Nutrients Product Documents Feeding Schedule X Nutrients pH Up -- 1 GallonX Nutrients pH Up and pH Down make it easy to adjust pH. Simply use the recommended dosage found on the label to increase or decrease pH. Make sure you are constantly...

    $36.00 $11.64
  • X Nutrients pH Up, 1 Gallon X Nutrients pH Up, 1 Gallon

    X Nutrients pH Up, 1 Gallon

    X Nutrients Product Documents Feeding Schedule X Nutrients pH Up -- 1 GallonX Nutrients pH Up and pH Down make it easy to adjust pH. Simply use the recommended dosage found on the label to increase or decrease pH. Make sure you are constantly...

    $52.00 $21.61
  • X Nutrients pH Down Concentrate, 1 Gallon

    X Nutrients pH Down Concentrate, 1 Gallon

    X Nutrients Product Documents Feeding Schedule New & Improved Concentrated Formula!pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6...

    $47.00 $34.03
  • Microbe Life Hydroponics pH DOWN, 1 Quart

    Microbe Life Hydroponics pH DOWN, 1 Quart

    pH Control from Microbe Life HydroponicsMicrobe Life Hydroponics pH DOWN is formulated with R/O and UV sterilized water and combines two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance.Safely...

    $50.99 $24.20
  • Microbe Life Hydroponics pH UP, 1 Quart

    Microbe Life Hydroponics pH UP, 1 Quart

    pH Control from Microbe Life HydroponicsMicrobe Life Hydroponics pH UP is formulated with R/O and UV sterilized water and combines two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance.Safely raises...

    $50.99 $24.20
  • TNB Naturals pH Up, 40 lb

    TNB Naturals pH Up, 40 lb

    TNB Naturals Product DocumentsTNB Naturals pH Up and Down Sales SheetTNB Naturals pH Up MSDS TNB Naturals pH UP is composed of all-natural ingredients without harmful chemicals. This innovative way to raise you pH levels of your hydroponic or liquid...

    $399.99 $285.13
  • TNB Naturals pH Down, 40 lb

    TNB Naturals pH Down, 40 lb

    TNB Naturals Product DocumentsTNB Naturals pH Up and Down Sales SheetTNB Naturals pH Down MSDS TNB Naturals pH DOWN is composed of all-natural ingredients without harmful chemicals. This innovative way to raise the pH levels of your hydroponic or liquid...

    $399.99 $285.13
  • Earth Juice Crystal pH Up 0-0-47, 10 lb.

    Earth Juice Crystal pH Up 0-0-47, 10 lb.

    Earth Juice Product DocumentspH Up SDSEarth Juice Crystal pH Up 0-0-47An enlightened concept in pH control, a crystallized pH adjuster for the professional and hobbyist.Use to "raise" the pH.For use with all fertilizers.For hydroponic useHighly...

    $81.49 $68.82
  • Dyna-Gro pH Up, 1 Quart

    Dyna-Gro pH Up, 1 Quart

    Gently Raise Your pH With This Easy To Use LiquidpH-Up and pH-Down are supplements used to adjust your water and nutrient solutions to the proper pH range for plants. Most plants prefer a pH range of 6.2 to 6.8. pH levels that are too low or too high can...

    $42.37 $14.94
  • Dyna-Gro pH Down, 1 Quart

    Dyna-Gro pH Down, 1 Quart

    pH-Up and pH-Down are supplements used to adjust your water and nutrient solutions to the proper pH range for plants. Most plants prefer a pH range of 6.2 to 6.8. pH levels that are too low or too high can result in release of or tying up of minerals in...

    $42.37 $14.94

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