7 days or so old HELP...

5.5 water
rockwool nuts 90ppm
inside humidadome jiffy
Under 600 watt 1.5 ft away
Temp 80
Siting in Jiffy Tray
Water'd every other day....

What is wrong with these? I started with 5.0 water and 50 ppm then after looking good went to 150 nuts and 5.5 water. Now they seem to stop growing the smaller ones and I went back to 90 nuts and 5.5 water. Why is wrong here? A few are staying very very small not growing upward. Some have one or two roots coming from bottom.

Have ebb and flo setup would you throw it into it now and take off humidadome?

How much should ppm be and the ph level should be at?(8-10 days)


Is it ok for direct light at this point if so have 600 watt light how far away? (1 has reached top of dome)


Why is one of the leaves pointing upward and not laying outward?
 

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Keep in mind I'm new as well. This is what I've learned... No nutes till they have 3 sets of true leaves. Then only 1/4 strength. Also, the light needs to be closer. You can do some foliar ph'd water spraying. Thats all I can think of. I'm sure a more experienced grower will help more. Good luck.
 
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