strange looking

  1. tops 003.jpgtops 019.jpgtops 025.jpg what wrong with this plant ,tops 001.jpg i dont know what kind it is,its one of five free seeds you get when you buy 20. just plant#3 got this top #4seems allright, 1&2 are super skunktops 002.jpg
 
what are your temps? how much nutes are you givng them if any? I would say it looks like nute burn
 
ok i have never actually seen this before as a problem somebody actually has, what are your temps im gunna guess they are running on the cold side most likely at night, its something called MOLYBDENUM (MO) ill type it word for word in the garden saver book i have by j.c stitch and i quote:

HOW COMMON IS IT?
MO deficiency is very rare, but is more likely to occur in color-changing strains in cold temp conditions .

SYMPTOMS:
The middle leaves turn yellow. As the deficiency progresses towards the shoots the new leaves become distorted or twisted. A MO deficiency causes leave to have a pale, fringed, and scorched look, along with retarted or strange-looking leaf growth. Older chlorotic leaves experience rolled margins, stunted growth and red tips that move inward toward the middle of the leaves. Somes MO deficiency is misdiagnosed as a N deficiency. However N affects the bottome leaves first. MO affects the leaves in the middle of the plant first and the moves up to the newer growth. Excessive MO in cannabis looks like FE or CU deficiency.

MOBILITY:
MO is mobile.

ROLE IT PLAYS IN PLANT NUTRITION:
MO is contained in enzymes that help plants convert nitrates to ammonia, which is required for protein production.

PROBLEM SOLVING:
Foliar spraying with water-soluble fertilizers aids in overcoming the deficiency. Because plants need MO in such small amounts a hydroponic micronutrient mix is often the most efficient way of supplying it. These ferts can be used as foliar sprays or applied directly to the soil, as well as their customary use in hydroponic nutrient solutions.

GENERAL DISCUSSION:
Generalls a MO deficiency occurs when S and P are deficient. MO toxicity does not tend to wreak havoc on plants, but excess intake causes severe problems in humans so extra precautions should be taken when using it. "

well i would recomend looking it up for yourself but that sounds and looks exactly like what you have hope any of that info could help you and good luck with your problem any other questions let me know.
 
My nutes are gardeding magic -9-2-6 and botanicare cal-mag -2-0-0 (ca-3.2) (mg-1.2) (fe .1) temps were 75 to 85 f , turned it down yesterday so it runs 70 f 24/7 4 gal pots I water every third day,I just started last week watering with nutes every outher time. that MO stuff might be the problem for#2 but #3 almost looks like lettce on top, just look at them again afew min. ago and#3 looks like it mightbe comeing out of it
 
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