milkshake New member Jan 18, 2006 #1 What is a good GPH flow for a 40gal? 800GPH maximum? I have a 20gal refugium in the making. Wanting to put Chaetomorpha in it.
What is a good GPH flow for a 40gal? 800GPH maximum? I have a 20gal refugium in the making. Wanting to put Chaetomorpha in it.
Lakeside518 Clownfish Premium Member Jan 18, 2006 #2 600 gph should be plenty. You don't need a large flow in a refug
