[APD] Re: Agar

[Paul Krombholz <krombhol at teclink_net>]

  Agar presents very little barrier to diffusion.   Molecules, except 
for very large ones, diffuse through agar almost as fast as they do 
through water.  Clay balls, on the other hand do slow down diffusion 
considerably.
--
Paul Krombholz in mild central Mississippi
_______________________________________________
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com
http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants