Re:

[Mike & Diane Wise <apistowise@fgn.net>]

Yvan,

I don't think that I have ever seen any aquarium chemicals that stained the
glass yellow-green. Could it be algae that has dried on the glass? Sometimes it
takes a lot of scrubbing to get it off. It is more common to see the silicone
cement stained. Usually the color is blue-green from Malachite Green, but
Acriflavine could give the silicone a yellow color. I doubt that it harmful, but
you could test it with some test fish first.

Mike Wise

Yvan Alleau wrote:

> hi all
> first of all Merry Christmas to you all!
> I just got a few used tank from a store and noticed that one of them has
> part of the glass tinted in yellow-green.
> Would you know of ay fish-used medication that would have that result? I am
> just concerned about any trace being released in the water. I tried to scrub
> it off but it stays.
> thanks for any advise.
>
> Yvan Alleau
> 450 SE Atwood Ave
> Corvallis, OR 97333
> (541) 752-0320
>
> College of Oceanic and Atmospheric Sciences
> Oregon State University
> Burt 222: (541) 737-3649
>
> "When you're far from everything, you're getting closer to the essential"
>
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