in need of some help

so my plants are 4 weeks from seed and my ppm are still at 200ppm was wondering if this was to low because the plants seem to look a little yellow any advice of what my ppm should be using flora nova bloom would be great

I cantwait to get through this first dwc grow so I have a foundation being a newb at dwc sucks I have been on this site since 2007 and spent my first while mastering soil, but man hydro just explodes andwish I would have studied it nore ..I notice most people here by now would have their 4 week plant at 800ppm and in budding stage, me I want to get the most out of my veg but amha ving nute problems I dont want to overfeed butwant the plant to be as good as possible for

Lack of Nitrogen because you're using a bloom fert to veg.

you need to rise the level of grow nutes and lower the lights closer to the plants

thanx helpsfor the replies so what I did today is kept the 200ppm of the flora nova bloom and added 400ppm of the veg stuff from the local hydro store.... now the res reads 600ppm with a ph of 5.7 I also lowered the light closer to the plants I hope this helps

Why not follow the instructions supplied by the nute manufacturer?

Look at this. Check out the Nova section on the right. Do you see any recommendation of FloraNova Bloom in the veg cycle?
http://www.genhydro.com/genhydro_US/feeding_charts/GH_KeepItSimple_Recirculating.pdf

thanx for your help I will eliminate the flora nova my nextflush its just that I flushed last night and no time to get more r/o water do you think it will hurt the plant? the res has 400ppm of veg fert on top of the flora ,but if you recommend a complete res change then I will do tomorrow

Man dont flush with ro water only fresh water( that u drink) and no nuts included