Nute or light burn?!?! Getting worse!

urgod said:

Sweet dude if it's not getting worse it means it's working. Just feed them at half strength and slowly being up the nutrient to full strength. Glad to see them get better

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The bubbleicious just isn't looking better. Check out the pic. The newer growth tips are brown if you zoom in. You still think it's nute burn? Should I flush her? My AK58 looks OK I think. The new growth tips look ok, but Bubs is struggling.

Bumping. Need some help. Here are some updated pics. The bubbleicious grow has appeared to be stunted. I'm at 30 days since sprouting today. The AK is looking better but still has some brown tips on new grow. First pic is Bubs and second is AK. When should I switch to flowering?

I still need to know if it's ok to switch to flowering? I've been vegging for 4 weeks now. The new growth tips are a little brown but I've just giving water for 2 weeks. Should I give grow and bloom nutes and switch to flowering? Or should I just feed water and switch?