todays issues! please help?

Geneticfreak

Active Member
Ok im growing with e&f flood system, my plants are about 3-4 weeks into veg. The problem is that I've got stress from somewhere or a def. My stem and fan leaf stems are red/purple. They are about 12-14 inches tall and looking pretty good other than they dont seem to be up taking water right. They droop and leaf margins are slightly rolled. I flushed all day yesterday and put in fresh nutes today. I upped my ppm from 300-400 to 700-800 with the idea that due to the size of my plants they are not getteing enough P and or K. My ph is at 5.5 and I do my best to keep it around there. It rises everyday. I think because there was not enough nute, so ph was drifting. Any suggestions or advice would be greatly appretiated!
 
Some pictures. The one with the spots is an AK and The others are SSH. I think the spots are mg or cal def. Its not mites.
 

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