"Boris" wrote in message
able.rogers.com...
I've seen these at Big Al's Aquarium Services. Has anyone ever used
one.


Yes, there have been lots of very good reviews (good, in that it was
fair and in depth) on this product. I thought that one of them was
on http://www.thekrib.com , but I'm sure that if you search Google
Groups, you'll find quite a bit of info posted here in the past...

I think the general opinion was that it's a decent product for very
small aquariums, but not cost effective at all when dealing with
large aquariums where there's room for a pressurized system.
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Dave Engle

DFW, TX USA
Independent Associate
Pre-Paid Legal Services, Inc.
http://www.prepaidlegal.com/go/dengle