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Old March 15, 2018   #29
bower
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Join Date: Feb 2012
Location: Newfoundland, Canada
Posts: 6,793
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Wow... there is certainly lots to learn about tweaking my grow lights. The LED's are different for sure, even with the small increase in lumens. Just taking some pics for comparisons and looking for scorched leaves again - and I did find some, only on the plants that were just recently moved under the lights (too many choy, these were languishing on a windowledge until last week).

OTOH the bok choy that were scorched a few weeks ago have completely recovered, and grew right up to the lights, not a blemish to be seen on those leaves. Also the leeks have come back after their first haircut and are now growing up around the lights with no adverse effect.

Showing a pic of what I am thinking as "scorched" that is spots without chlorophyll. I don't know if the affected leaves can recover or not, because I nipped the bad bits when it happened first.
Attached Images
File Type: jpg new-scorchy-old-fine.JPG (167.2 KB, 137 views)
File Type: jpg scorch-vs-none.JPG (204.2 KB, 137 views)
File Type: jpg scorchy-newlyexposed.JPG (176.0 KB, 136 views)
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