Dosing and control Ph, Rx, for the preparation of nutrient solutions, fertilizers and additives for hydroponics is a perfectly balanced mixture of macro- and microelements that plants need at every stage of development. To improve the results, many growers buy growth and flowering stimulants by adding them to the nutrient solution. Some additives help to develop a powerful root system and deciduous mass, while others increase the number of inflorescences, positively affect the taste of the fruit and increase the yield. Hydroponic systems are a highly productive way of growing plants that produces rich and healthy crops 2–4 times faster than soil culture. To test this method of gardening at home, it is not necessary to tinker with the system yourself from the materials at hand.