Airation?

Codiene53

New member
Simple question if there really is one in this hobby: Is it better to airate a reef with an airstone or a small fan blowing air at the water surface?
 
It depends what you mean by airate. A fan blowing over the surface will aid in cooling through increased evaporation. An airstone will increase the dissolved oxygen level;but, the better way is to increase oxygen through a protein skimmer..... another way is to increase turbulence at the surface via a powerhead.
 
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