Here is a 2 in 1 device that measures the pH and humidity of your substrate in the garden, in planters and indoor pots. Use the moisture meter to avoid excess or lack of water by checking its content in the soil before watering your plants. Test the pH, as some plants need a precise level of it to grow and flower which will help guide your choice on fertilization needs. In addition, it can be a good tool to help you choose the right plants for your garden, by verify its pH.