over fert with worm casting mix 100% organic ? WTF

yea one of the girls has browning tips and one leaf has some yellow edges
im using 25% castings 25% pearlite and 50% organic soil mix with about 4 tbsp of kelp meal my ph is 6.3 under 8x 1400 lumen 2700k compact flourescents not ideal but i hate running the 600 watter when there this small there growth rate seems sluggish and there was some leaf curling not shure the strain as my buddy gave me the seed but the smoke was killer. correct me if im wrong but i thought its near impossible to over fert with organics ?
the rest of the babies seem ok so wtf is going on here.

dsc1691 is the problem plant dsc1690 also problem plant but pic has flash on doh!
1692 is what the other 3 babies look like 1693 are all 4 babies

pH of 6.3 is a bit low. Did you add any dolomite lime to that mix? You might be getting a bit of lockout from the low pH.

Everything else looks pretty good.

Wet

That's exactly what i was gonna say wet.

thanks guys ill give it a shot : ) like i said its only that one plant which is totaly strange the rest seem fine. heh

Before you transplant, add powdered dolomite lime to your mix and I think you'll be golden.

Wet

ok problems i whent to get some lime and i have like a friggn cup left : ( i do have some aluminum sulfate : ( : ( most of of a box . id started the babies in jiffy pots and transplanted then into the 4 gallon pails im not gonna trans plant again doh! i can get some more dolomite lime thursday this was soil mix that i had left from the last grow which when perfectly it should have been ph 6.5 ( but its not apparently )and lime added etc.. so im kinda lost and ive been busting ass at work and stressed out and just have lost touch with my grow i guess never had this problem before. also guees this what i get for not starting from scratch

OK, take the cup-o-lime LOL, do a couple/3 tbls/ gallon of water and hit them with that.

When you can get more of the powdered dolomite lime, top dress with say 1 or 2 tbl/container?

Or, water it in.

You can always add more, but it's a bitch to get out if you over do it. It's hard to over lime, but not impossible.

Give each application at least a week to look for changes. Lime is good, but not fast by any stretch.

Wet