Hydroponic plants require an efficient flow of water and nutrients to stay healthy. A hydroponic system will almost always have a water pump to play the role of moving water, thus providing nutrients and hydration for your plants.
For indoor hydroponics, the choice of plant lighting is very important and can have a massive impact on your plants health and yield. In this post, I go in-depth on how to choose an adequate grow light for hydroponics and what you need to watch out for when choosing your lighting solution.
While you are using water as your primary source of nutrients, there is still a need for a substrate where the seed is placed and the plant extends from. Your plants need stability and still be able to breathe and have space for their roots. There are many commonly used substrates, and following article, I will go over the most useful ones.