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phosphate ?

Discussion in 'CO2 Enrichment' started by ccLansman, Dec 18, 2008.

  1. ccLansman

    ccLansman Guru Class Expert

    Jan 22, 2008
    Likes Received:
    Local Time:
    10:16 PM
    In an article on aquatic world i found this as a definition for phosphorus deficiency. However i dont understand the line on ph range dependency? What does that have to do with P? Also my fast growers have burnt looking leaves but my P is over 10ppm, what else could cause this? Light is 2-3wpg, co2 is high, drop checker always green, all other ferts are in excess, i do weekly 50% changes. I have anubis that are flowering and no old leaves that look almost black.

    Phosphorus (P)

    * Symptoms: Small leaves that may take on a reddish-purple tint. Leaf tips can look burnt and older leaves become almost black. Reduced flowers or seed production.
    * Sources: Compounds containing the words 'phosphate' or 'bone'. Also greensand.
    * Notes: Very dependent on pH range.

    also what is this:
    Witches brooms sometimes form
    Says its due to boron being low, i know my anubis have large roots shooting out with smaller roots jutting out in all directions from them.
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator

    Jan 23, 2005
    Likes Received:
    Local Time:
    10:16 PM
    This info is for terrestrial plants.

    Tom Barr

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