Help, Skunk #1 seedling turning yellow already?

ganjaman87

Well-Known Member
I have one skunk #1 and one Kings Kush that are about a week old growing in the same GH hydrofarrm res using a 250w MH light in a homebox L. I dont have a digital PH tester but I do have the liquid test kit and the tap water that i was using was about 6.5 give or take as its hard to tell with the color code ph test kit I havent been adding any nutes yet but my skunk #1 plant's bottom leaves are turning yellow with small spots on them while my kings kush seedling is still very green. I tried putting nutes in my res at about a qtr strength, as my last grow i used flora nova veg nutes at full strength all the way throughout and those plants were about twice as big as the plants that I have now at the same age, thinking that the plant may be lacking nitrogen but it hasnt gotten any better....is Skunk #1 a picky plant or something and shouldnt my plants be a little bigger than they are?
 

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