wave maker vs overflows ?

[JamRobo]

hey man, I use a wave box on my dual overflow tank..
little bit of water trickling noise but if you have gate/ ball valves and can tune the drain speed you can keep the water level in the overflows high enough that it's hardly noticeable.
I have a canopy and overflow covers to that reduces the noise quite a bit also.

the wavebox it self makes quite the hum / vibration when running though but that may just be because it's a old model.

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