Warm solution holds less dissolved oxygen, and it encourages root rot and algae. Summer heat is one of the most common reasons a healthy hydroponic system starts to struggle. Why heat causes troubleAs water warms, it holds less oxygen. Roots need oxygen to breathe, so...
Brown, slimy roots and wilting plants are often signs of root rot. In hydroponics it is usually caused by warm water with too little oxygen. Signs to look forHealthy roots are usually white or cream. Roots that are brown, soft or slimy, or that smell bad, need...
Yellow leaves are a symptom, not a diagnosis. In hydroponics the most common causes are a nutrient imbalance or a pH that is outside the range plants can use. Check the pH first, then look at where the yellowing appears. Older leaves turning yellowYellowing that...
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Practical articles on hydroponic systems, nutrients and growing specific plants, written for beginners and home growers.
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