How to Replenish and Change Water for Hydroponic Plants
With the rise of the trend of indoor green plant maintenance, hydroponic plants have become widely popular for their clean and attractive features. However, many beginners are often puzzled: do plants growing in water require special care? This article will systematically analyze the core maintenance points of hydroponic plants - the scientific methods of replenishing and changing water, helping plant enthusiasts master key techniques.
Tips for Replenishing Water for Hydroponic Plants
Golden Rule for Water Level Control
Keeping 1/3-1/2 of the roots submerged is key to hydroponic maintenance, and the water level change can be observed directly through a glass container. When the water level decreases by 1-2 cm, it is necessary to replenish with settled tap water or purified water that has been left to sit for 24 hours. Special care should be taken to avoid submerging the root-stem junction, as prolonged submersion in water can cause rot.
Water Replenishment Frequency and Environmental Relations
In spring and autumn, it is recommended to replenish water every 3 days, in the high-temperature summer, the water level should be checked daily, and in winter, it can be extended to 5-7 days. When the environmental humidity is below 40%, the frequency of water replenishment should be increased, combined with foliar spraying, to maintain an air humidity of about 70% for better plant growth.
Water Change Strategies for Hydroponic Plants
Scientifically Set Water Change Schedule
In spring and summer, it is recommended to change the water completely every 5-7 days, and in autumn and winter, it can be extended to 10-15 days. Observing the transparency of the water is an important indicator - when there are flocculent substances or suspended particles, immediate water change is needed. Special varieties like Epipremnum aureum and Fortune Bamboo can have their water change cycles extended appropriately.
Standard Procedure for Water Change Operations
1. Remove the plant and rinse the root mucilage. 2. Clean the inner wall of the container with a soft brush. 3. When pouring new water, maintain the water temperature consistent with the room temperature. 4. Add a special hydroponic nutrient solution (concentration controlled at 800-1000 μS/cm).
Advanced Maintenance Tips
Regularly check the condition of the roots and trim blackened and rotting roots. When changing water, rotate the container direction at the same time to ensure even light exposure. It is recommended to use a 3% hydrogen peroxide solution to disinfect the roots monthly, which can effectively prevent the growth of algae.
After mastering the scientific methods of replenishing and changing water, you can try to pair LED grow lights and smart water level monitors with other modern equipment to create an intelligent hydroponic system. By precisely controlling the water quality parameters, hydroponic plants can achieve their best growth state.