Residue surfacing when flushing. Should I be concerned?

Discussion in 'Growing Marijuana Indoors' started by col forbin, Sep 14, 2009.

  1. While flushing my plants, I noticed when the pot fills with water and takes a minute to drain, a whieish, milky colored substance comes to the top and pretty much covers surface of water. Is this leftover nute substance? If so, should I be worried?

    Thanks!
     
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