**Green Air pH Lower – Standard Strength pH Down Solution**
Green Air pH Lower Standard Strength is an **easy-to-use pH buffer designed to lower the pH of nutrient solutions when they become too alkaline**. It helps growers maintain a more suitable nutrient-solution environment so essential minerals remain available for plant uptake.
Proper pH control plays an important role in nutrient management. Green Air explains that when pH becomes too high or too low, some nutrient elements can become unavailable for plant absorption. For cannabis cultivation, the company identifies an optimum nutrient-solution pH range of approximately **5.5–6.5**.
**Key Features**
* Standard-strength formula for lowering nutrient-solution pH
* Helps correct overly alkaline nutrient solutions
* Easy-to-use pH buffer for routine pH adjustment
* Supports proper nutrient availability and absorption
* Suitable for cultivation and nutrient-management programs
* Available in **Quart, Gallon, 2.5 Gallon, 5 Gallon, 15 Gallon, and 55 Gallon Drum** sizes
* 15- and 55-gallon sizes ship by truck, with contacting customers to arrange shipping
**Use:** Add gradually to the nutrient solution while monitoring pH. Mix thoroughly and recheck the solution before adding more. Follow the product label, application guidelines, and manufacturer's directions for safe and effective use.