Refugium

[bugsymo]

I will be setting up a proflex 3 20gallon refugium hooked up to my main 75 gallon tank what gph flow pump do u recomend

[GrampaDon]

Not very specific. Is this 20g plus the proflex 3 ?

[bugsymo]

75 gallon main tank 20 gallon refugium tank

[chrismhaase]

I always did a slow flow into it which was split from my main return.