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Re:Surface skimmer


The Taunus design handles #2.  The bottom gate is not auto, but is screw 
adjusted to control the flow from the top. If the top gets clogged the 
bottom gate will allow enough water to get thru to prevent anything nasty 
from happening.  The bottom gate is the screw itself and the is a long 
handle coming up the pipe of the skimmer to the surface, so it is really to 
fine tune and shut off.

I was in HK recently and I saw a well made copy of the design being sold in 
the shops.  When I am there next week (last trip for the year!) I will 
check out the prices


At 03:48 PM 10/19/99 -0400, you wrote:
>Date: Tue, 19 Oct 1999 10:53:14 -0700
>From: Hoa Nguyen <nguyenh at nosc_mil>
>Subject: Re: Surface Extractors
>Several people have offered their designs for a surface extractor.
>These seem to have several element in common.  However, they all lack
>a couple of features that the Eheim Surface Extractor has:  (1) The
>ability to take the water in from both the top and the bottom.  This
>minimizes the surface water movement to reduce CO2 loss.  Also, when
>the top slits are blocked, e.g., with leaves, the bottom intake should
>open up more (automatically) to compensate, and (2) The ability to
>easily shut off the surface skimming action temporarily (for feeding
>  From a past message, I think Ivo's design handles item (1).  I don't
>know if it does item (2) also.  I'm interested in knowing if the Taunus
>design also does these two thing.

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