Yes, Nova Green pH Reducer  can be used to lower the ph in the lawn. It is recommended to take a sample of your soil and test the pH. Add diluted pH Reducer to soil sample and let stand 24 hours. Take another pH reading. If pH is not sufficiently lowered adjust rate accordingly. It is better to …
Read Full Answer »Nova Green pH Reducer is used for reducing the pH level only. Hi-Yield Soil Sulfur or the Ferti-lome Soil Acidifier plus Iron would be used to reduce alkalinity.