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Snails and fertiliser copper

Subject: Snails and fertiliser copper
by PeteEddowes on 2013/11/18 11:42:30

Hi,

I'd like to add a Zebra nerite or 2 to my 125(ish)L tropical tank.

But...

It's planted and I use ferropol most but not every week.

Ferropol contains copper (0.009% on the label).

This seems like a tiny amount but is it enough to harm a snail?

Thanks,

Pete