I'm nearly in week 3 of seedlings and my leaves have started curl up and some leaves have light yellow patches on them, i have 5 seedlings per 600w hps which are 3/4 foot away im using regular canna soil feed water for first 10 days i started feeding canna A and B and ryzo a couple of days ago they have started growing abit faster but i still have the leaves curling up problem also 1 or 2 red spots.