Do Hydroponic Plants Need Their Water Changed? A Detailed Guide to Changing the Water
For hydroponic plants, water is their most important living environment, so changing the water for hydroponic plants is a very important task. If the water is not changed for a long time, the oxygen content of the nutrient solution in the water will decrease, affecting root growth and absorption capacity. In addition, harmful substances excreted by the plant itself through physiological activity enter the water, so promptly cleaning up this waste is necessary. So, how do you change the water for hydroponic plants?
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Do hydroponic plants need their water changed? How do you change the water for hydroponic plants?:
Changing the water for hydroponic plants is very simple. As long as you master the procedure, you can easily replace the waste liquid and give the plants a new living environment. The water-changing process needs to consider the timing of water changes for the plants, which is generally a fixed interval; second is cleaning the plant roots and the container; third is paying attention to the water depth. Let's explore these three issues together below.
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1. Water-changing time: Generally, a water-changing interval of 5-7 days is suitable. But the water change depends on the season. For flowers that have just been hydroponically grown, change the water once every 1-2 days. In summer, plants grow vigorously, temperatures are high, and the water easily deteriorates, so the interval should be shortened. In winter, most plants are in a semi-dormant or dormant state, temperatures are lower, and the water-changing interval can be longer. Overall, a shorter water-changing interval is beneficial to plant growth.
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2. Cleaning the root system and container: When changing the water, the root system should be cleaned. Clear water can be used to rinse off the mucus on the roots, and some rotten roots and old roots that have lost their absorption capacity should be cut off. After a container has been used for a period of time, some sediment will adhere to the container walls, and moss is also likely to grow, so it should also be cleaned thoroughly when changing the water.
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3. Water depth: When growing flowers hydroponically, the root system is often submerged in water, but this method is not appropriate. It is best not to add too much water; leave most of the root system fully soaked in water and a small amount of the root system exposed to the air. In this way, the roots can both absorb dissolved oxygen from the water and absorb oxygen from the air.