pH regulators

<p><strong>GHE, pH indication TestKit</strong></p><p> The pH Test Kit is perfect for small tests and has a wide range from 4.0 to 8.5<br /> Half fill the test tube with nutrient solution and add 3 drops of indicator.<br /> Compare the color with the color

GHE pH Up (pH +) 500 ml Contrary to the regular pH regulators that are available on the market, pH Down is not a simple acid. It's an exact formula that regulates, nourishes and buffers your nutrient solution all at once. Together with a balanced mix of a

GHE pH Up (pH +) 5 liters To be used to increase the pH value. Directions for use: Add small amounts of pH + until the desired value is reached. Recommended value pH 5.8. Do not breathe vapor. Causes burns. Not for internal use. Keep out of reach of child