Hydroponic gardening is defined as the use of mineral nutrient solutions or inert media (such as perlite, gravel or mineral clay pebbles) to grow plants without the use of any soil. For example, it allows many plants to grow in a controlled environment in a very small area, with less water and less light than traditional systems. It is also easy to harvest and harvest, making it a suitable choice for hydroponic beginners. Compared with traditional soil planting,...