Help with yellow spots and dropping tips

Tll7

Active Member
Hey everyone,

I’ve got two plants growing, both autos and about 2 and a half weeks old. They are planted in soil in five gallon pots and have been doing pretty well so far. One is a northern lights auto and the other is an industrial cbd auto. Today I noticed the northern lights has a few yellow spots/stripes on a few of the newer leaves. The industrial cbd doesn’t have these yellow spots/stripes but has drooping leaf tips. As they are still small I have been spraying them two times a day and only watered them very lightly once or twice. The industrial cbd had some drooping tips last week and after watering it seemed to fix them but after watering it today I haven’t seen any improvement.
Here are some pics:1F22A206-5B26-40DE-90B4-89C43D97144E.jpeg
B9517A7B-E41D-4F54-85FF-D76207EC2C6C.jpeg
Soil: bottom 2/3rds Is Ocean Forest with lime for buffering and perlite for drainage. Top 1/3rd is miracle gro seed starting potting soil and perlite for drainage

Lighting: 2’x4 t5 ho lamp about 5-6 inches above the top leaves. Will turn on all 8 bulbs once the plants get larger

temperatures: peak at around 83-84 during the day and around 66-69 at night

Humidity: hovered around 50 percent. Installed a humidifier today and it is around 70 percent

nutrients: nothing added yet but will be using dynagro veg and bloom in a few weeks

thank you for any advice you can give!
 
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