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What is wrong with this plant?

Lawlwtfstarted grow question 4y ago

Anyone have an idea to what is wrong with this CBD plant on this week? 3 Weeks old Temp 79 RH 45% pH 5.8 18/6 light cycle 5 gallon dwc EC 1.2 Full Canna Aqua nute line + cal mag The new growth has been very slow and is drooping. The 3 other plants in the tent are fine.

Lawlwtf

Lawlwtf

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