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[APD] Zinc weights
I believe Wright Huntley wrote this email section below:
> I have never seen a zinc plant weight. All I have ever seen are lead.
Take a look at http://theaquariumwiki.com/Lead
there are photos of them.
> Zinc is not really soft and malleable, like lead.
Perhaps that is why they mix Magnesium in with it?
Here is a photo of them.
Take very little effort to bend them.
They're marketed as 'Lead Weights' in the UK but actually say they contain
Funny old world isn't it? :-))
200 Million years in the making...
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