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Re: PMDD anions
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To: Aquatic-Plants at actwin_com
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Subject: Re: PMDD anions
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From: psears at NRCan_gc.ca (Paul Sears)
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Date: Thu, 20 Jun 1996 17:42:41 -0400 (EDT)
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In-Reply-To: <199606191939.PAA25991 at looney_actwin.com> from "Aquatic-Plants-Owner at ActWin_com" at Jun 19, 96 03:39:02 pm
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> From: Elizabeth Worobel <eworobe at cc_UManitoba.CA>
> Subject: Re: PMDD
>
> I personally favour MgCl2, CaCl2 and KCl as they dont affect pH or
> alkalinity.
Neither do the nitrates or sulphates. The second pKa of
sulphuric acid is 1.92, and the others are much lower.
Paul Sears Ottawa, Canada