Black line down flowering leaves

Terry420
Terry420started grow question 6y ago
Hey guys anyone seen this before ? Can’t find anything online. These are autoflower Big Bang. Any advice on what to do ?
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Leaves. Color · Yellow
Leaves. Color · Dark-brown
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Fruitgrower
Fruitgroweranswered grow question 6y ago
Your nutrient levels are very low for week 5/6, you would do well to increase this to 2 or 3ml per litre, Your light is perhaps either too close or too far away. Grab yourself some calmag and add it to your feed at 2ml per litre, makes a massive difference 🌱👍
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