Help - Plants not taking nutrients

northgate

New Member
I am in my 4th week of flowering and it seems as if my plants are not taking their nutrients. I could see this by looking in my reservoir, it is still really yellow and I haven't put any more nutrients in it for about 2 weeks now. My plants are kind of close to the light (10 inch or so) and I can't get them any further. They are yellow just at the top. They look very healthy/crystaly and what not... Any suggestions? My ph is between 6.0 and 6.5 .. I am only using FloraDuo bloom right now. PLEASE HELP! :( Thanks
 
5.5 ph would be better
10 inches is close for some lights
are the tops crunchy?
whats the ppm of the neuts
 
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