Would the rubber gasket be safe for the marine life?


--- In homemadebiospheres@yahoogroups.com, Logic316 <logic316@...>
wrote:
>
> Hi Jon,
> One important feature I'd recommend for any bio-container (which
you see
> done in all the commercially-made ecospheres) is to leave plenty of
air
> above the waterline. This acts as a buffer zone for gas exchange
and
> helps prevent excess pressure from building up in there. Leaving at
> least 1/5 of the container empty to provide such air space should
be a
> reasonable amount. The containers I like to use for this hobby are
> plastic soda bottles. Cheap, but they do the job. If you want a
> container that looks nicer, you could try buying a do-it-yourself
glass
> snowglobe kit from a store like
> http://www.inhermajestysservice.com/snowglobcrea.html
>
> - Logic316
>
> > Posted by: "jsodos" jsodos@... jsodos
> > Date: Mon Dec 18, 2006 12:33 pm ((PST))
> >
> > Hey, I just joined and want to try to start one. Clearly the
only way
> > I'll learn is to do some experimenting. I think I'm going to
start
> > from that pdf from the site with the virtual ecosystem. Any
> > suggestions would be greatly appreciated. For example, a starter
> > "recipe" would be great.
> >
> > peace
> > jon
> >
> >
>