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plant health

  1. R

    What's wrong with my plant?

    Hi there. Does anyone know what is wrong with my plants? I'm thinking it may be a PH inbalance or a magnesium deficiancy? Both new and old leaves have yellow sections. It looks like the viens are still green.
  2. S

    DWC Plant Quick Question

    I Just recently put new water in all my buckets (ph levels are around 5.7-5.8), a week to a week and a half later (after fixing one of my plants), another one of my plants is acting a little weird, the leaves are curling in and down, there are some leaves with yellow tips, any ideas...
  3. S

    Water Temperature

    I am growing in a current culture system. The problem I have run into is I change the water and chemicals every week, and this is the first winter that I have grown cannabis. The room I grow in is a great temperature, but I have to flush out my tanks and the only water supply is cold water. The...