My best guess is magnesium deficiency from looking at the sticky threads with pics but this looks a little different. My seedlings are 5 days old above soil, they've had nothing but tap water except for the last time i watered them i switched to spring water. I tested my tap water and fresh spring water with a cheap pool testing kit that only ranges from 6.8 to 7.8.
My tap water is 7.8 and my spring water is 6.8 so i figured the spring water was better. I know i need better test equipment.
This morning my leaves looked like this on 2 of my seedlings. My seedlings are anywhere from an inch to an inch and a half above the soil. The light is about 4 inches from the tallest seedling.
Is this a problem with lighting or maybe the water i am using? As far as i know i shouldn't be feeding them with anything except water at this stage right?
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