Seedlings popped up about 6 days ago. They are 2” and 3” tall. How do I keep them from stretching? Took clear domes off yesterday and they are exposed to 110 PAR. Today I bumped it to PAR 165. I was told to move slowly on light intensity to avoid burning and stunting. Just trying to find out if I’m on the right track. I really don’t want to blow it this time.
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If you can find your lights and lower them to approx 18" above them, that should be a good start to stop stretching Also, are you poss over watering? Just a thought… Best of luck with your grow!!
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Around 200 par is good for seedlings. They don’t look horribly stretched. I personally like my seedlings to stretch just a bit, like yours. It keeps the leaves out of the soil.
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I’ll lower them currently at 20”. Don’t believe I’m overwatering. They get a light misting and about a tablespoon of water every couple days if medium feels dry. Actually a misting every day.
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Find your lights, 
phone types what it wants, sorry, meant ‘dim’ them poss 