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If we remember our high school biology/chemistry (biochemistry), alcohol is part of the Kreb’s Citric Acid Cycle...producing ATP...the fuel to run cells. For alcohol to produce glucose is damn near impossible...certainly under the aerobic conditions present in your tank. The alcohol is being...
Have a 48g bow-front with a 45g sump/fuge using a mag 9.5 as a return. As concept3 suggested, we have a tee coming off the return line that runs over to the refugium with a valve to control flow. Works just fine.
This might be a dumb one from Dr. Ingorance! Have an OPEN DIY 2x4 stand with the refugium below the display. That is, no sides on the stand...wide open! When the fuge light is on at night, there’s a fair amount of light reflecting up to the display tank. Would this diffuse light have any...