By Teo Spengler Hydroponics is the practice of growing plants in a medium other than soil. The only difference between soil culture and hydroponics is the manner in which nutrients are supplied to the plant roots. Water is an essential element of hydroponics and the water used must stay within the appropriate temperature range. Read on for information about water temperature and its effects on hydroponics. Ideal Water Temp for Hydroponics Water is one of the mediums used in hydroponics but it is not the only medium. Some systems of soilless culture, called aggregate culture, rely on gravel or sand as the primary medium. Other systems of soilless culture, termed aeroponics, suspend the plant roots in air. These systems are the most high-tech hydroponics systems. In all of these systems, however, a nutrient solution is used to feed the plants and water is an essential part of it. In aggregate
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