General Hydroponics Ph Control Kit

The General Hydroponics pH Control Kit is an all-in-one testing and adjusting package designed for hydroponic grow reservoirs. It provides a straightforward, manual method to monitor and correct nutrient solution acidity without relying on digital testing gear.

Testing is fast and straightforward. You fill the included test tube halfway with nutrient solution, add a few drops of the test indicator liquid with the eyedropper, and observe the color change. Comparing the resulting shade to the included pH level chart gives you quick, easy-to-read readings so you can aim for the recommended 5.5 to 6.5 range for most plants.

The package contains 8 oz of pH Up liquid and 8 oz of pH Down liquid, giving you the immediate supplies needed to adjust your reservoir after taking a reading. Because it uses chemical indicator drops rather than electronic hardware, it avoids the upkeep and calibration associated with electronic meters.

However, this manual method requires visual color matching, which may not appeal to growers who prefer an exact digital readout. The kit also supplies a 1 oz bottle of indicator fluid alongside the larger 8 oz adjustment liquids, meaning the testing and adjusting components come in different volumes.

Verdict: The General Hydroponics pH Control Kit is an ideal match for hydroponic gardeners looking for an accessible, dependable testing system. It delivers everything necessary to measure and balance reservoir water right out of the box.

• pH Up Liquid Volume: 8 oz.
• pH Down Liquid Volume: 8 oz.
• Test Indicator Volume: 1 oz.
• Included Accessories: Test tube, eyedropper, pH level chart
• Target Range: 5.5 to 6.5 pH

A great fit if you:

• Manage hydroponic reservoirs and need to monitor acidity.
• Prefer simple, manual drop testing over electronic digital meters.
• Want an all-in-one package with both pH Up and pH Down adjusting fluids.

Consider something else if you:

• Prefer a digital screen readout over matching liquid shades to a color chart.
• Already have dedicated adjusting liquids and only need testing supplies.

What is included in the kit?
The kit includes an 8 oz bottle of pH Up liquid, an 8 oz bottle of pH Down liquid, a 1 oz bottle of test indicator, a test tube, an eyedropper, and a pH level chart.

How do you test the pH of a reservoir?
Fill the test tube halfway with your nutrient solution, add a few drops of the test indicator, and check the liquid color against the included chart.

What is the recommended pH level for growing plants?
According to the product specifications, the recommended pH range for most plants is 5.5 to 6.5.