Hi, I’m a beginner and just started growing in CG9 end of Feb. The green lettuce is growing so well, but I have a quick question regarding the seemingly dry edges, can someone give advice or let me know if it is something to be concern of? Thanks for your help!!
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Hello @fungardener
It’s good to have you growing with us.
Great question! But there’s no need to be worried, it’s common for the first pair of leaves plants grow that from seed (cotyledons) to die back once they have served their purpose. 
New real leaves are already growing there.
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