when to start using fertilizer

Discussion in 'First Time Marijuana Growers' started by virus, Mar 26, 2007.

  1. hi grass city just a quick question,my plants are about 2 1/2 weeks old and have 3 nod leaves my question is when do i start using fert and how often..

    my next question is my 1st set of leaves seemed a bit white on the tips is this normal apart from that they are very healthy,the strain im using is jack ferrer :)

    thanx in advance

    virus:)
     
  2. anyone out there to answer my question?:confused::)
     
  3. Don't use first 'till week 4 at least, what I have been told. Don't know about the white....
     
  4. my babies are about 2 months old... i just started using ferts... think i should have waited till flowering.. its up to u tho after the month mark....
     
  5. Hi, I did start using ferts about 3 weeks in....but some leaves turn yellow and I have some yellow tips. If your soil contains any ferts at all I would leave it....I think this is the mistake I have made. Also pH is vital: try and get a decent meter to measure with...these are quite expensive though.

    The old saying goes:
    "If it ain't broke don't fix it!" If they look good with no drooping and fast growth, leave them to it.
     

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