Re: metal, on no!

["Scott Davis" <unclescott at prodigy_net>]

> Paul Cezanne wrote:
> >
> > I just saw, and immediately pulled out, a rusty metal SCREW from my
Fundulopanchax Scheeli tank!
> >
> Wright Huntley wrote
> Rusty is good. That means it was an iron screw, which is harmless in and
of
> itself....

> IMO, you have done all you need to do about the screw.

Ah, but never leave well enough alone. Although it may be a part of aquarium
mythology, there are accounts of old timers - maybe Wright can verify ;) -
were they noted that they had better than expected Crypt growth and then
found a nail which had fallen in a tank. The supposition was that "iron
loving" plants used some of the material dissolved off of the nail. There
actually were (it is alleged) people who were dropping plain nails in tanks.

There are easier, safer ways to deliver iron to plants who need them
however.

I was always very leery of anything galvanized, but Al Anderson's notorious
rainwater feed trough is galvanized. Maybe the metal develops a skin".

List chemists can probably answer that last one. :)

I imagine we could compile quite am intriguing list of all of the things
which have fallen into our tanks and the killies have survived. (Two bloated
and very dead field mice in a half full Epiplatys tank come to mind.)

All the best!

Scott



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References:

• metal, on no!
• From: Paul Cezanne <oblique at alum_mit.edu>
• Re: metal, on no!
• From: Wright Huntley <huntley1 at home_com>

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