If your plants are grown hydroponically, they will be healthier than plants grown in soil, because all of the growth elements and nutrients are made readily available during growth. Hydroponically grown plants also grow and mature faster, yielding an earlier harvest of vegetable, herbal and flower crops. Many hydroponic gardeners have to experiment with different lighting to achieve the best environment for the plants that they are growing. Air pollution can affect the growth of your greenhouse plants and must be monitored if you live in a large city. Signs of air pollution include spotting or twisting of the plant’s leaves, flower and bud fall off, and unusual discolorations as well as poor growth can signal a problem. There are no weeds to deal with and hydroponic plants are typically healthier, mature earlier, and use less space. Hydroponic plants are entirely water based which makes it possible to fully automate the hydroponics system. Specially formulated hydroponic fertilizer mixtures are required and should be tested after dilution to ensure a pH level of between five and six. Root growth is stimulated in the hydroponic plants due to the extra oxygen. Plants with plenty of oxygen in the root system will also absorb nutrients faster. The nutrients in a hydroponic system are mixed with water and sent directly to the root system. Hydroponic systems use apparatus that are varied. Hydroponic plants are grown in a number of ways, each supplying nutrient solution to the plants one way or another. Hydroponics can be used to grow plants anywhere, even in your own backyard. Using hydroponics can grow anything from garden crops to flowers. Hydroponic gardening is considered to be a clean and highly effective method for growing plants. Once again, the more plants you have the more advanced equipment you will need. If you are still unsure about starting a hydroponic garden, you can get everything you need in a little kit called a plug-and-go hydroponic gardening kit. These little kits have everything you need to get you up and running with this fascinating hobby.