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Re: [APD] Canopy Cooling

> Message: 1
> Date: Mon, 05 Sep 2005 19:51:04 -0700
> From: Jerry Baker <jerry at bakerweb_biz>
> Subject: [APD] Canopy Cooling
> To: aquatic plants digest <aquatic-plants at actwin_com>
> I see that the IceCap fans are horribly expensive at some $45, and loud
> at 47.8dBA. I can put together a 35.5dBA fan and a 12VDC transformer for
> about $13. True that the IceCap is variable speed, but the whole point
> of variable speed is to be quiet. When the fan I'm talking about is
> 12dBA less than the IceCap (less than half loud as perceived by the
> ear), I don't see where the IceCap has an advantage. Is there something
> critical I am missing, or is this another case of the aquarium hobbyist
> being gouged?
> -- 
> Jerry Baker

I just did a bit of research on the Web regarding cooling fans for
computers, and the main issue I see with using these is the CFM (cubic feet
per minute) rating. This may be where the advantage of the Icecap Fans is
obvious. I didn't see any 12 VDC computer fans that moved more than 30 CFM.
This may work in a smaller tank setup, but could prove problematic for a
multi Halide or Compact Flourescent setup, which probably generates a lot
more heat than a computer case, just a guess on my part.

So if you consider the larger 4" Icecap cost at $43 (www.marinedepot.com)
and the cost of moving the same amount of air with 3-4 DIY computer fans,
the cost difference becomes almost negligible, doesn't it?


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