The nutrient mixture is the right one for the plant, in the right ratios, every time. The fear of soil-based diseases is eliminated, because, of course, there is no soil. These two factors come together to make hydroponics an extremely efficient method of food production. Hydroponics is also environmentally sound. Once the batch has stopped bubbling the fermentation process has ceased and another batch will need to be made in order to continue the production of carbon dioxide. The use of decomposing organic matter is rarely used indoors because of the odor and it is unsanitary because of the bugs it attracts. It can be used outdoors in a greenhouse but the bug problem and their potential diseases need to be addressed in order to save your plants from their adverse effects. Determining the number of spider mites in your garden, the size of the area they cover, and the size of the infestation will give you an idea of how to eliminate them. Identifying the spider mites will be easier if you use a garden microscope, which will give you a better view of the tiny bugs. Many think using pesticides to eliminate spider mites in their hydroponic gardens is a good idea, but the use of pesticides in hydroponic gardening is discouraged and usually not necessary. Gardeners will also want to try using the blue and red spectrum lights to increase growth and the flowering of their plants. The temperature control units may also come in handy once you decide how many plants you want to grow in your space. The more plants you have the hotter your greenhouse will usually be. If the pH factor goes too high or too low, the plants will not do well and will show confusing signs or nutrient deficiencies. Nutrients are a key factor in a successful hydroponic garden. It’s vital to choose a nutrient solution formulated for hydroponics. Standard fertilizers sold in garden stores are not generally suited for hydroponics, as they do not contain specific trace elements, which are necessary for a balanced hydroponic formula. Many growers use hydroponics systems to grow tomatoes, lettuce, watercress, cucumbers, herbs, and various other edible plants. Beginning growers will be satisfied with the quality of their crops, and the rates at which they will grow. Flowers and tree seedlings can also be grown using hydroponics. Hydroponic greenhouses produce millions of plant seedlings each year, which are transplanted and grown at other locations where they are later planted into soil.