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Re: [APD] chelated metals

Stuart, thanks for the reply.

The AquaSafe says: "Substances in tap water that are dangerous to  
fish are removed or neutralized. Chlorine is eliminated and heavy  
metals such as copper, zinc and iron are neutralized."

Then, under ingredients among other things it says: "chelating  

So, it sounds like you're right. AFAIK, most iron plant supplements  
are chelated anyway, so this product probably isn't "neutralizing"  
the iron in a way that makes it unusable by the plants.



On Jan 31, 2008, at 10:00 AM, aquatic-plants-request at actwin_com wrote:

> I believe Wolf Scion wrote this email section below:
>> Wow, it's been years since I've been active in this group.
>> Quick question: How long do water conditioners which "neutralize
>> heavy metals such as iron" remain effective in the tank? I picked up
>> some Tetra AquaSafe but would like to add iron & potassium
>> supplements for my plants. How long after adding the water
>> conditioner should I wait before adding the iron?
> AFAIK, conditioners don't 'neutralise' metals. That implies they've  
> somehow
> disappeared or became useless. These bottles chelate them.
> That is - makes them harmless to aquatic animals and plants.
> Plants and animals can still make use of them.
> Your plant supplements are also chelated metals.
> Others will correct me if I'm wrong ;-)
> Ref:
> http://www.theaquariumwiki.com/Chelated
> -- 
> Stuart Halliday

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