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Yellow discoloration again

laberg
labergstarted grow question 2 years ago
I'm annoyed by having to post another question but oh well. Yesterday evening I increased the PAR from 370 to 400 in center. This morning the top fan leaves were pointing straight up and so I raised the lights a little. I later looked and saw discoloration. Light burn?
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Week 5
Leaves. Veins - stay green
Leaves. Color - Yellow
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Whiteybulger1814
Whiteybulger1814answered grow question 2 years ago
I would tend to agree with ya, just do what your doing for a couple days and see if they get worse it could be a minor magnesium deficiency and if so a bit of Calmag or Epson salt tsp per 3.6 L should bring it around..
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UnkleSkunk
UnkleSkunkanswered grow question 2 years ago
concordo con Whiteybulger1814 è solo un po' di mancanza di calcio ,quella parte piu chiara tendera' al marrone se correggi subito la carenza le macchie saranno piu piccole ma non avrai piu di tanti problemi
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