bubo
Aquarium Advice Apprentice
While I was looking for information on how overflows operate (not how to make one, but the way that they function), I came across a webpage that describes an alternating surge current system. I'd like to know what the experienced DIYers think about it.
http://avdil.gtri.gatech.edu/RCM/RCM/Aquarium/CirculationSystem.html
http://avdil.gtri.gatech.edu/RCM/RCM/Aquarium/CirculationSystem.html