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Re: Cork for Mops
In a message dated 9/14/2000 5:04:04 PM, huntley1 at home_com writes:
<< Is your experience, Lee, that styro is safe for long-term tank use? I have
shied away from it, because I had no idea if there were any soluble
plasticizers in there that might cause troubles >>
I have had some in use for many years without any recognized problems. If
Styrofoam were toxic, they probably would not make coffee cups out of it, but
who knows what won't kill people immediately (like dialkyl phthalates used in
PVC) might kill fish. As far as I know, Styrofoam uses no plasticizers, but
they do use some blowing agent. Probably used to be Freon™, now something
less expensive and ozone depleting like CO2 or N2. I have also used Styrofoam
boxes as temporary aquaria many times with no known bad effects.
After a while the stark white color gets covered with green algae and you
don't notice them. On the other hand, I use only a few floating mops, since
fish seem to spawn whenever and wherever they feel like, or not at all, if
they feel like it.
Lee Harper
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