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Re: PMDD & Tablet Fertilisers

>Date: Fri, 19 Sep 1997 22:03:10 +0100
>From: A M Moore <andy at ascot_u-net.com>
>Also, I note from George that the Dupla system uses daily fertiliser Dupla
>24 AND tablets to add to the water at water changes ?
>Why do tablets need to be added ? 

The Dupla system uses the tablets to dose nutrients that are stable enough
to last between water changes and not toxic in a dose large enough to last
between changes.  The drops are for unstable nutrients like iron or
elements that would be toxic in a large dose. 

George "In San Diego"

George Booth, Ft. Collins, Colorado (booth at frii_com)
Need info? http://www.frii.com/~booth/AquaticConcepts.htm 
           * More updates, Sept. 1