Evaporation is the single greatest resource you have to fight off summer temperatures. In the summer we evap roughly 6g a day and that helps to keep our temperatures stable.
As hard as it is to believe, evaporation is your friend. Finding a good top-off solution (www.autotopoff.com
) would be to your benefit.
Anything you can do to prevent evap (lids on your tank/sump) will likely cause trapped CO2
which could suppress your tank pH.
Probably not what you want to hear... I resisted it as well. Since adding the fan over the sump, which of course increased our evap even more, I've been able to get rid of the chiller. It's much cheaper for us to add water!
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Atlantic City, NJ September 25-27, 2009