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Re: Surface scum

To: Aquatic-Plants at actwin_com
Subject: Re: Surface scum
From: Paul Sears <psears at nrn1_NRCan.gc.ca>
Date: Sat, 21 Feb 1998 19:47:16 -0500 (EST)
In-Reply-To: <199802202048.PAA00651 at acme_actwin.com> from "Aquatic Plants Digest" at Feb 20, 98 03:48:20 pm

> From: George Booth <booth at hpmtlgb1_lvld.hp.com>
> Subject: Re: surface scum
> 
> So can folks corrrelate surface scum with iron additions; perhaps even with 
> specific brands of fertilizer?  Do tanks using PMDD get it? 

	I have never used "PMDD" as the mixture, but do use the method,
and have seen surface scum, of a bright green variety.  I have never
managed to correlate it with anything in particular.  I don't have
any at the moment.


-- 
Paul Sears        Ottawa, Canada

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