Help - growing emergency

hey,
i have problem with my 2 monthes old plant,
i noticed its a female,
and just switched to 12/12.

the problem:
all the leaves become very narrow, thin and very small.
and the tip of every leaf is brown, dry and curling down.

im used untill now bio-grow of Bio Bizz small amount with every watering.
attached photos
 

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hey,
i have problem with my 2 monthes old plant,
i noticed its a female,
and just switched to 12/12.

the problem:
all the leaves become very narrow, thin and very small.
and the tip of every leaf is brown, dry and curling down.

im used untill now bio-grow of Bio Bizz small amount with every watering.
attached photos
looks like too much N
when switched to flower,it calls for diff nute levels
flower calls for more P than N
vis versa for veg
 
few days ago the plant exedently touch the bulbs and the upper leaves burned a bit,
but is it influent the all the plant?
i use 5 bulbs of 28 W
in a distance of 10cm from the plant.
is it to close?
do u think its the temprature?
 
this is a pic month ago,
the plant is the left one,
the right one is alerady in the garbage - male.
look how healthy she is here.
what happaned?

reduce the light for a lower temp?
 

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i'll raise the distance between the bubls and the plant and reduce the watering...
and i'll give it pure water without nute for a week.
do u think it'll help?
 
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