Re: [GSAS-Member] Soft Water; Plants; Calcium; Magnesium

[Erik Olson <erik@thekrib.com>]

Hey Roy, we use Calcium Carbonate and Magnesium Carbonate in many of our 
tanks.  We use a strong concentration in the Rift Lake aquariums, and a 
weaker one in the CO2-supplemented ones.  There's probably some archived 
e-mails on this list from earlier in the year when we were desparately 
searching for new supplies.

   - Erik

On Sun, 28 Jun 2009, Seattle_Aquarist wrote:

> Hi All,
> I have a problem; my water is very soft coming out of the tap.  Even though
> I do a 20% water change weekly, my plants periodically exhibit symptoms of
> calcium and sometimes magnesium deficiencies in the form of leaf deformities
> and slow growth.  When I add additional calcium (calcium chloride) and
> magnesium (Epsom salts) my plant perk up, grow more quickly, and the leaf
> deformities decrease or disappear altogether.  My question is, do you add
> anything to you water to increase the calcium or magnesium concentrations in
> your tanks?  If you do add these minerals, would you share the information
> as to what you add, when and how much?
> Thanks,
> Roy
>
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-- 
Erik Olson                                                        Sent from my 
crusty old Linux box
erik at thekrib dot com
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