MD7613 Posted February 23, 2023 Share Posted February 23, 2023 (edited) Simple question. I just received my nano air pump. The outlet brick, for lack of a better name, has two usb female ports. A red and a blue. What are the functions of each? Or are they the same just different colors? -Matt Edited February 23, 2023 by MD7613 Link to comment Share on other sites More sharing options...
Theplatymaster Posted February 23, 2023 Share Posted February 23, 2023 @MD7613they are the same. Link to comment Share on other sites More sharing options...
MD7613 Posted February 23, 2023 Author Share Posted February 23, 2023 Thanks for the info! I “tested” both and there didn’t seem to be a difference but I have nothing to measure it. Anyone who uses one have advice on optimizing it’s placement? Pump height outside the tank, air stone depth etc? I’m using it for just an air stone in a 20gal. -Matt Link to comment Share on other sites More sharing options...
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