whats wrong with my plants???

ok first off i guess i should explain my setup and all that good stuff. ive got 2 1000 watt hortilux eye bulbs in a 6'x4' flowering room. im growing hydro in 25 gallon bubblers tubs(4 tubs, 6 plants per tub)in the flowering room.the temps stay around 80 and the humdity stay at 40%. my veg/clone cabnet is 4'x3' with 8, 4' floros. and 2, 15 gallon tubs with 12 plants in each. the temps in the cabnet are 90ish with humdity at 65%. this is my first full on hydro grow so everything is fresh and new. im useing gh 3part in 5.6-5.9ph water. the only additives i use are cal-mag plus. my young plants are in 300ish ppm and the larger ones are in 1000ish ppm. my water temps stay from 65-70.
ok now to my probs. ive got 2 plants that are growing very wierd. and i want to see if any1 might know whats the cause. they are the same hard to get strain that i dont want to lose either plant, but they are haveing way different probs.they are fem seeds from heat stressed into hermi OG kush. that might be the prob right there but i dont know. and i dont think i can get anymore seeds.so loseing a plant is the last thing i want to happen. ill explain the plants 1 at a time.

first the older plant. its 5 weeks in the first pic. about to take 2 clones. it has grown from day 1 with crazy side branching and large single point leaves. about 1/2 the leaves are about 4" long and have just 1 point. no side points at all. the other 1/2 has normal looking leaves, but small. it also has a long ways from 1 set of nodes to the next. and i dont know if this helps any at all but it smells just like cow crap. not trying to be funny at all. ive grown outdoor skunk and know what that smells like. ive also used cow crap in my outdoor crops for ferts., and know what that smells like. this plant smells like cow crap.

ok now the lil plant. its 3 weeks old in the 2nd and 4th pics. it has crinkeled leaves baaad. it also had a dark purple color to the branches. ive read that a mag prob. will cause the main stem to be red or purple but i cant find anything about side branches like mine. my main stem is fine looking. and it also has an odd smell to it.i cant quite put my finger on what it smells like but it isnt that sweet pot smell. its really musky kinda moldy smelling. it seems to be growing just fine just looks and smells different than anything ive been around.

the 3rd and 5th pics are of the other young plants i have going, so every1 doesnt think ima tard that cant grow. lol they are pure power plants also 3 weeks old.

if any1 has had any of these probs please help me out. i really dont want to lose either of those plants. if i forgot anything that might help just let me know.
thanx a ton:thumbsup:

From your details it looks like you've got everything dialed in nicely so nothing really jumps out at me about what could be wrong. Maybe your reservoir temperature could be lowered a bit. 65 is alright but 70 is getting up there.
Lower your res temps by dropping in frozen 2Ltr Pop (filled with water, of course) bottles. Keep a few in the freezer and switch them out as needed.

I did have a plant once that exhibited the same abnormal growth (one point leaves) as your first plant and that was caused by mites. The second one kinda looks like its getting chewed by some other sort of pest but in all honesty I'm stumped.

this plant has grown like that from the time it was sprouted. it looked like nute burn in a way, but it looked the same when the plant had no nutes for the first 10 days of its life. i got both the seemorebuds dvds soi know what mites can and will do if left unchecked. so i make a point of checking every other day for them. but there is no sign of'um.
ill try the lower res temp. and if anything else comes to mind please let me know.
thanx