leaf tip margins splitting please help

Safe RIU,went to check on my girls earlier and noticed that on some of the leaves the margins are splitting and on some there is like a dark area around the margins aswell.Im growing in coco,the strains are Sweet Tai and Special Kush both 2 weeks into flowering,the ph stays at about 6.3 there under a 250 hps and 125 watt red cfl.Any help would be fantastic!Peace

has anybody got any idea whats wrong with my plants??

well nice one lads thanks for the help

post some pics bro best way to get help

LT1RX7 Drifter said:

post some pics bro best way to get help

Click to expand...

yep we need pics

ok soz guys i cant do that at the mo need to get a camera lol but does anybody have any idea from the description i gave?will sort out some piucs asap .peace