Re: [APD] Corkscrewing leaves - name the deficiency

["Rachel Sandage" <rachelsor at hotmail_com>]

I get similar twisted leaves on Nesea (pedicilata?) and Willow hygro, and I use CaCO3 to keep my Ca high. I stopped using Seachem's Equilibrium because of its high K content, and while I did see a (subjective) improvement in the overall look of the tank, the stunting did not change.

Rachel
  ----- Original Message ----- 
  From: S. Hieber<mailto:shieber at yahoo_com> 
  To: aquatic plants digest<mailto:aquatic-plants at actwin_com> 
  Sent: Tuesday, May 04, 2004 3:27 AM
  Subject: Re: [APD] Corkscrewing leaves - name the deficiency


  If the Ca content is high enough, could it be that
  something else is interfering with CA uptake? Potassium has
  been a suspect in this regard?

  Scott H.
  --- Daniel Larsson <defdac at hotmail_com<mailto:defdac at hotmail_com>> wrote:
  > Chuck Gadd wrote:
  > >I'm probably too simplistic, but my first thought
  > whenever I
  > >see curled/twisted leaves is calcium.  Calcium is a
  > critical
  > >part of the cell walls, and it regulates cell wall
  > construction.
  > 
  > This was my first guess too, and actually I see quite an 
  > improvement in other plants (H. polysperma) when I dose 
  > CaCO3.
  > 
  > But my water company says 20 ppm Ca and my Hagen
  > Ca-test says at least 15 ppm Ca, and I believe Roger
  > Miller stated at Aquabotanic Wetthumb that this shouldn't
  > be any problem.
  > 
  > // Daniel.
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