Nutrient Defencencies?

Jetson

Active Member
Need help identifying problems with 2 new plants

The plants are 3 weeks old and are in 16 ounce cups with miracle grow germination soil, under 48 inch florecents, about to change to 400 watt halide. Given store bought water and given minimal plant food.

Leaves show orange marks on on edges but that can be expected. But other leaves are shriveling, with others showing disentigration in spots.

Take a look at the pics and help me out.
 

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