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Re: Aquatic Plants Digest V3 #958

> I would wager that this is far from the truth, at least regarding "tightly
> sealed covers". There are many people who enjoy open-top tanks, especially
> those of use who use MH lighting. Even folks that have glass covers over
> their tanks probably have a poor "seal" as far as diffusion is concerned.
> Perhaps a poll is in order?
I'm running my tank as an open tank.  I do have glass covers, but my
lighting fixture rests on top of my tank and is very big, so it makes it
impossible to lift the glass to feed the fish.  I took 'em off as an
experiment.  I only have to top off every couple of days or so, so I'm
sticking with an open tank.