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Soon I will be purchasing an 8ft 240gallon tank. I need to decide some specifics on it such as number of holes in the overflow box, their diameters, and the location of the returns and their diameters. I have used the Herbie system in the past and liked it, but I want to try the Bean Animal 3 drain on this tank with an external overflow box.
1. Planet Aquariums has multiple configurations to choose from in terms of drain location and return location. If using an external overflow box bean animal style, are 3 drains inside the overflow box and 2 returns located on the rear glass of the aquarium in the left side corner and right side corner a good set-up? Planet has one option to put 5 holes total in the overflow box 3 for the drain and 2 return, but I thought this would be less efficient for water skimming and distributing flow throughout the tank surface.
2. what diameter should the drains be?
3. what should the return line diameters be?
Thanks
1. Planet Aquariums has multiple configurations to choose from in terms of drain location and return location. If using an external overflow box bean animal style, are 3 drains inside the overflow box and 2 returns located on the rear glass of the aquarium in the left side corner and right side corner a good set-up? Planet has one option to put 5 holes total in the overflow box 3 for the drain and 2 return, but I thought this would be less efficient for water skimming and distributing flow throughout the tank surface.
2. what diameter should the drains be?
3. what should the return line diameters be?
Thanks