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From: andre@nrc-ut.UUCP
Newsgroups: alt.aquaria
Subject: Re: Fishtank Moved
Message-ID: <356@nrc-ut.UUCP>
Date: Tue, 1-Dec-87 20:21:48 EST
Article-I.D.: nrc-ut.356
Posted: Tue Dec  1 20:21:48 1987
Date-Received: Sun, 13-Dec-87 16:54:06 EST
References: <1753@mit-amt.MEDIA.MIT.EDU> <1859@cognos.UUCP>
Reply-To: andre@nrc-ut.UUCP (Andre' Hut)
Organization: Network Research Corp.  Salt Lake City, UT
Lines: 35

In article <1859@cognos.UUCP> halo@sirius.UUCP (Hal) writes:
>In article <1753@mit-amt.MEDIA.MIT.EDU> bc@mit-amt.UUCP writes:
>>
>>I read up on aquaria, and got the impression that it would be a
>>challenge to maintain one. All this stuff about pH, ammonia,
>>temperature, etc.
>>

>Of course, a really healthy aquarium can almost look after itself...

In fact, a Japanese company now sells a sealed aquarium (complete with
plants and fish).  All you have to do is add light.  Supposed to last
years...

>The number of fish which can be safely kept in a "community" style
>tank is generally a function of the average length of the fish kept and
>the surface area of the tank. In general, aeration does not CAUSE
>oxygen to dissolve. The majority of gas exhange occurs at the surface.
>Aeration DOES promote this air exchange by causing circulation (and the
>ripples do marginally increase surface area).

It has been shown that you can even aerate with CO2.  It's the motion,
not the bubbles.
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