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Filter bubble noise

eminor

Member
Joined
5 Feb 2021
Messages
158
Location
France
Hello, I diffuse the co2 with a neo type diffuser, I tried to place it under the filter inlet, but the filter makes noise, I imagine that bubbles are formed inside, the rejection is done with a spray bar, where to place the diffuser to avoid that the filter makes too much noise? thx
 

Kevin Eades

Member
Joined
24 Jan 2021
Messages
189
Location
Portsmouth
Hello, I diffuse the co2 with a neo type diffuser, I tried to place it under the filter inlet, but the filter makes noise, I imagine that bubbles are formed inside, the rejection is done with a spray bar, where to place the diffuser to avoid that the filter makes too much noise? thx
Most filters don't like gas inside so will tend to either belch out a load of bubbles or the impeller can start to cavitation causing noise. I would suggest either getting an inline diffuser. Or move your in tank diffuser to the front. The flow from the spray bar will travel down the front glass. This will push the bubbles down and keep them in suspension longer to increase the diffusion of gas into water
 

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