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What is this symptoms ?

dbCooper7started grow question 5y ago

Hi im newB on photo Im during fighting with Gnats and yeah almost finished them so i lower watering it and its have only 4 plants happened like this , is that calcium def or something ? Its not happen on old leaves as much tho so i cannot make decision ,

dbCooper7

dbCooper7

dbCooper7

dbCooper7

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Leaves. Tips - Burnt

Leaves. Color - Yellow

Leaves. Color - Dark-brown

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georgebillsanswered grow question 5y ago

low humidity, try to get a wet towel under the drain. also the second image is a mechanical damage

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dbCooper7answered grow question 5y ago

Or is it root issue by Gnats ?

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dbCooper7answered grow question 5y ago

And its GDP !

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