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I’m keeping softies and macros so I can’t have a lot of flow.
Softies and macros like flow.
Softies need enough flow to properly shed and macros seem to grow better with good flow. Keeps them clean and such. I have a strong power head in my refugium just for the macro.
They tolerate lower flow and light but that actually doesn’t mean it is ideal.
I like adjustable poweheads like jebao if you can budget it. As your tank ages and grows, the flow needs will actually change (increase) as more corals and macro block flow. A controllable power head can grow with you and adjust based on your needs and aquascape.
If you feel a power head is too strong, that’s easily manageable but aiming it toward a glass panel to have it bounce off of or towards the surface a bit. This will slow the flow.