limegreen

Hello, I have been looking everywhere online but can't seem to find an identical issue. I am new to growing and in the last weeks I have tried 6 different seeds with same painful results. The seedling her first 2 leaves, their veins become lime green already after 3 days after coming above...

Problem: Light green to yellow color started around day 14. New leaves forming but growth seems very slow and yellow color of one seedling specifically seems worse. Seedling #2 was second to sprout and main concern. Medium/grow method:organic soil, coco coir, perlite 60%/20%/20% Feed: and...