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rnjohnson214 posted an update
Can anyone tell me why the tips of my cotyledons are brown. 300 watt light about 12 inches away on 30 percent putting out 240 ppfd. Only gave a very small amount of silica and cal mag. Like 1/4 the recommended dose for a seedling.
casadelwhacko-
They will shrivel and fall off. Totally normal. 🤘🏼
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Ok cool I did not know that
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