My seedlings are 9 and 10 days old and I think they are severely behind. The seedling in the big pot is pointing up with brown on leaf edges. I'm using 50% soil about 30% cow manure compost and 20% perlite. All organic no United yet and under 18/6 cfl bulbs . I water everbfew days when it dries up. Temps range from 75 to 82. humidity from 30 to 50% how can I save my plants ? Nirvana northern lights