I've just cuted pair of the smallest leafs . Here pics of them . What is the problem with them ?

Will this "shit" spread on oder leafs ?

Advice or solution for this problem appreciated . :smokin:

Thanks ! :thumbsup:
DreamerGirl7 Reviewed by DreamerGirl7 on . First closet set up ! Need advice ! Soon i will have some pics but for now ... zero :wtf: Dimensions : L : 120 cm . D : 60 cm and W : 160 cm . What do you thing ? How much plants can i putt in under this light ? Light installed : 4 flu tubes 18 W, 1050 lumen each . 3 CF Phillips 24 W , 1500 lumen each . Do i need more light for normal grow and harvest ? Air circulation : 4 zalman vent => 120 mm . Rating: 5