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pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjuster Buffer Solution Combo for Soil Gardening Plants Pool A Balanced Nutrient

  • Based on 455 reviews
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Availability: In Stock.
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Arrives Saturday, Aug 9
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Features

  • Updated Super Concentrated pH Up Dowm Buffering Solution: FOLLOWIN pH up and down control kit is professional buffering for helping the home grower maintaining and adjusting a nutrient's pH level stability maximize plant growth. TIP: After opened the PH down solution, the container solution will appear black precipitate, that is a condensate after the acidic substance is sealed, and this condensate does not affect the effect of use, please feel free to use it
  • Works in All Environments: Our updated odorless and colorless hydroponics pH up and down kit is suitable for hydroponics systems, soilless mediums (eg: coco coir and peat), soil gardens and aquarium.
  • Wide Range of Use: Our pH up and down control Kit can widely use on adjusting and optimizing pH level in all indoor & outdoor plants, flowers, vegetables & herb gardens , organic lawn & turf care, fruiting & non- frunting trees, crops.
  • Freshwater Aquarium Water pH Adjuster: When adjusting the pH value, it should be done slowly to avoid sudden changes in the pH value that may cause stress to the fish.Shake well before use and add 20ml of pH up or pH down liquid to every 100 liters of water. Then measure the pH value and adjust the dosage according to the result. Generally, the daily change in the pH value should not exceed 0.5.
  • Large Capacity & Long-Lasting: FOLLOWIN ph up and down for plants solution contains 9 ounce pH up, 9 ounce pH down, 18 Total ounce, 1 ounce indicator and vial; Each 9 ounce bottle of concentrated solution can lasts up to 6 to 12 month or more.
  • Easy to Use: Simply fill a test-tube halfway with nutrient or water, add a few drops of pH test Indicator, and observe the coloration of the liquid in the test vial. Note: Before you begin adding pH up and down to your water or soil, test the pH to confirm that you need to raise or lower the pH level (Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5.)

Brand: FOLLOWIN


Item Weight: 1 Ounces


Item Form: Liquid


Product Benefits: Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens


Number of Items: 1


Brand: FOLLOWIN


Item Weight: 1 Ounces


Item Form: Liquid


Product Benefits: Facilitates pH level adjustment for optimal plant growth in hydroponics and gardens


Number of Items: 1


Unit Count: 18.0 Fluid Ounces


Package Dimensions: 7.32 x 4.37 x 2.72 inches


Item Weight: 1 ounces


Manufacturer: FOLLOWIN


Item model number: pH Control Kit


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Aug 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Works very good
This product definitely helped to keep our pH where it needed to be to keep our plants nice and happy, the instructions are very good to help to understand what to do the water definitely was better after we added this, we got it in a decent time it didn't take hardly anytime at all to get it delivered to our house. ... show more
Reviewed in the United States on June 16, 2025 by Eric L. Leedy

  • Product works as it needs to
Works extremely well! Between the dropper and the measuring cup, essential for hydroponic growing
Reviewed in the United States on June 14, 2025 by Sandra F.

  • Easy
Bro honest to god dont get better then this kit my first time and so easy to understand
Reviewed in the United States on June 11, 2025 by George

  • It works
what is there to say about it.
Reviewed in the United States on November 29, 2024 by Roy Martin Murphy

  • Worked as it should
Worked great for science class. Even though our sunflowers didn't really grow
Reviewed in the United States on June 10, 2025 by Andrea Douglas

  • Don't buy
The ph down takes 2x more then last brand and turns water cloudy
Reviewed in the United States on June 28, 2025 by nick

  • Great pH
These worked exactly as I needed them for, but they leaked easy and were messy. I do recommend, but I’d put them in a different container.
Reviewed in the United States on April 18, 2025 by Thomas

  • Works well
Worked fine, test kit is small
Reviewed in the United States on June 11, 2025 by Karl Coakley

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