Technaflora’s pH Up and pH Down enable the gardener to moderate and maintain optimum pH levels. Firstly, The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium. Secondly, these balancing aids have been made with the highest-quality ingredients. Potassium hydroxide to raise pH, and nitric acid to lower the pH levels. Lastly, ensuring stringent industry safety standards have been met, Technaflora’s pH Up and pH Down are potent and effective in small doses.