Re: Aquatic Plants Digest V2 #39

> I am in the process of mixing my own PMDD. A little while ago someone
> posted a very nice discussion of the various chelating agents, EDTA,
> DTPA, HEEDTA etc. Unfortunately I lost that mail. Could someone
> please email me this post?
>Please post it to APD.  I know I would like to review it again.
Jack Blumenthal