08-05-2009, 07:40 PM
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I have not seen that unit before, but I am impressed with the design. It has a surface skimmer, with a nice dual pass countercurrent flow, and a sponge bubble trap. Also, the neck is restrictive, but not that bad at all compared to many hang on models. I am VERY impressed with this skimmer, for a hang on design. I am saving it into my favorites and will probably be recommending this unit for aquariums of your size without a sump.
Now, there are some downfalls to this design. One, the sponge needs to be cleaned almost every day to prevent organic accumulation. If not, phosphates are a risk. Also, a dirty sponge will slow the flow rate, increase the height of the water in the neck of the skimmer, causing a poor quality skimate. Bottom line, clean the sponge daily.
Another drawback will be evaporation. This unit has a surface skimmer, which means high quality organic removal, which is good. But it also means that all evaporation will occur within the skimmer return chamber, causing you to replace evaporation on a more frequent basis. You may want to install an automatic evaporation replacement system on a float valve, connected to a power head in a water basin or bucket below the aquarium. Unless of course the surface skimmer is a floating design, connected to the intake, in which case this entire paragraph does not apply.
Last edited by Pasfur; 08-05-2009 at 07:42 PM..