Yes and no, it can be water only. It doesn't necessarily have to be one or the other. In true living organics you are doing your best to develop the soil to a point that it works in symbiosis with the plant. That doesn't mean once you have your base mix with nutrients you are done, although it can. Most growers are going to continue to feed the soil throughout the growth cycle of the plant to help obtain the best results. That can be through teas, through added amendments like bone meal, through enzyme teas like sprouting barley or corn and blending it with water. There are as many ways to grow as there are growers.
Choose your path or create you own and learn from it. There are more ways than one to skin a cat.
Choose your path or create you own and learn from it. There are more ways than one to skin a cat.