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Brown and light leaves

r32433009
r32433009started grow question 12h ago
Sum troubl with my seedlings in 100% coir feed 300 EC when pot gets light Leaves r pale but darker colors growing thru on sum but a lot have the brown on in pix what supps do I need 2 add for paleness/brown or am I missing sumthn? Small tent good humidity soil temp 23
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John_Kramer
John_Krameranswered grow question 9h ago
Are u sure about 300 EC ? mb 300 ppm ? - I say that u burned em, for these babies u need 150 ppm
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