View Full Version : Coast to coast overflow questions
JohnM99
09/04/2009, 07:55 AM
Working on ideas for a large tank about 350 g - I hate my overflow box - and really like the idea of the coast to coast design - for a tank 72 x 39 x 30 - thinking of an almost coast to coast overflow - 60 long, sparing 6" each end (place to put a powerhead) - wondering a couple of things -
- why not slant the front wall of the overflow? - I get noise on my overflow now from the water dropping in to the overflow, splashing on the water level inside it - have always thought that would go away if the front wall was sloped - maybe 30 degrees - so water would just slide down into the overflow. I have never seen this - is there a reason?
http://reefcentral.com/gallery/showphoto.php?photo=279161&papass=&sort=1&thecat=
- any reason why a coast to coast couldn't have the 3 pipe system of Bean Animal?
http://www.beananimal.com/projects/silent-and-fail-safe-aquarium-overflow-system.aspx
uncleof6
09/04/2009, 09:52 AM
<a href=showthread.php?s=&postid=15647832#post15647832 target=_blank>Originally posted</a> by JohnM99
Working on ideas for a large tank about 350 g - I hate my overflow box - and really like the idea of the coast to coast design - for a tank 72 x 39 x 30 - thinking of an almost coast to coast overflow - 60 long, sparing 6" each end (place to put a powerhead) - wondering a couple of things -
- why not slant the front wall of the overflow? - I get noise on my overflow now from the water dropping in to the overflow, splashing on the water level inside it - have always thought that would go away if the front wall was sloped - maybe 30 degrees - so water would just slide down into the overflow. I have never seen this - is there a reason?
http://reefcentral.com/gallery/showphoto.php?photo=279161&papass=&sort=1&thecat=
- any reason why a coast to coast couldn't have the 3 pipe system of Bean Animal?
http://www.beananimal.com/projects/silent-and-fail-safe-aquarium-overflow-system.aspx
Bean's drain design is well suited for a coast to coast overflow. In fact, if you look at bean's drawings you will notice it is using an internal coast to coast.
Honestly there is no reason to slant the front wall of the overflow. With the long length of the "weir" (front wall) water goes over in a thin sheet that "clings" to the inside of the front wall, of the overflow, and is silent. Adding teeth will possibly add noise, and decrease the surface skimming efficiency.
Using quality quiet pumps (such as reeflo), the whole package is virtually silent, with the skimmer making more noise than the rest.
Regards,
Jim
ctripi
09/04/2009, 12:21 PM
I though about slanting the face of my next coast-to-coast simply for aesthetic purposes. Having a large box in the tank detracts for the visual appeal of the upper region of the tank. Just make sure that you won't interfere with any plumbing that might need to be placed with the overflow.
jbomar3771
09/04/2009, 07:16 PM
i did my 72 gal. with a near coast to coast with the bean animal drain and i love it, works flawless.
stealle
09/05/2009, 06:31 PM
<a href=showthread.php?s=&postid=15649125#post15649125 target=_blank>Originally posted</a> by ctripi
I though about slanting the face of my next coast-to-coast simply for aesthetic purposes. Having a large box in the tank detracts for the visual appeal of the upper region of the tank. Just make sure that you won't interfere with any plumbing that might need to be placed with the overflow.
If you are concerned about aesthetics, have you considered an external coast-to-coast. That's my plan... including the BeanAnimal overflow. Have you seen this incredible build thread: http://www.reefcentral.com/forums/showthread.php?s=&threadid=1482007&perpage=25&pagenumber=12
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