What in the world is hydrotherapy?

Let’s go, grow in hydro! This is a cheap DIY hydroponic. I used a recycled food container. Cut a 3” hole to fit a net pot. You can use a small nursery pot as well. To support the plant and assist in nutrient transfer, I used leca clay pebbles. I know someone that uses pieces of broken terracotta pots as a substitute. As for air, you can go without an air stone or with and connect it to an aquarium pump. I tried both and they work fine either way. Light, if you don’t get enough sunlight, use a gr