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

[Matt Staroscik <matt@wrongcrowd.com>]

I'd like to know too. I actually use RO/DI water in my tanks, because I have
the filter from when I had a reef tank and it's super convenient to use. (No
dechlorinator!) I am sure it's poor for plants though and I'd add a mineral
supplement if there was an easy way to do so.

On Sun, Jun 28, 2009 at 8:31 PM, Seattle_Aquarist <
Seattle_Aquarist@comcast.net> 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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