Read more: How To Know When It's Time To Dethatch Your Lawn As far as what you need to measure the pH of your soil, either a testing kit or pH meter will give you an idea of where your soil health is ...
You can find soil test kits online, like this soil pH test kit from Amazon. If your aim is rather to deter pests, you can place some orange peels around the base of your plant. Due to their acidic ...