12-11-2010, 08:07 AM
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Just one additional comment. tanks without sumps that surface skim depends on water height in your display tank and have very little room for evaporation so if you don't use a sump be prepared to add top off water every day and sometimes 2 times a day depending on how dry your air is, how much air exchange is happening at the top of your tank. if you use a sump you will or can compensate for evaporation with alot of water in the sump. jus my .02 cents i will add that comment into the surface skimming article.
Last edited by reefsahoy; 12-11-2010 at 08:11 AM..