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Re: Aquatic Plants Digest V3 #1064

To: Aquatic-Plants at actwin_com
Subject: Re: Aquatic Plants Digest V3 #1064
From: Lim Chung Ping <binbet01 at cyberway_com.sg>
Date: Tue, 01 Jun 1999 23:01:18 +0800
References: <199906010748.DAA17446 at acme_actwin.com>

> This is very misleading! Calcium _deficiency_ shows as deformed growth
> but a calcium shortage will be evident as slow growth rates for many
> plants especially Echinodorus species. I believe that there is a range
> of symptoms of calcium shortage which become more extreme as the calcium
> concentration goes lower.

> > > What is the best way to add calcium ?
> >
> > Lime adds calcium, but it also will drive your pH high ...
> >
> > You might be better off using calcium chloride (sold as deicer) and
> > calcium carbonate (oyster shell).
> 
Read that egg shell can be used for calcium. How to add and how much to
be added? Do we need to cook the egg shell 1st?

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