![]() Stand pipe, Durso (nice person by the way designer), work but I've just been so much happier with BA's than my previous run of dual Durso's. Now if you didnt care for that extra clean look, you could just drill one on the side and run an elbow and it would make things a little more simple. Better with a hole drilled but no airline on it, it will flush only if water gets high enough to cover the air hole which is a better scenario. Thread starter Tom Barr Start date Forums. If you don’t it will go full siphon when the water rises and you will get a recurring toilet flush effect in your overflow box. I don't believe (my personal opinion) there is a better and more safer overflow design than a correctly implemented Bean Animal overflow. Overflow modifications: making a bean animal style using only 2 drain pipes. Ideal place for a refugium though - something to consider. External if you have space internal works just as good but will take some space. The teeth we all come to see on most aquariums block over time and reduce skimming or surface skimming. Overflows - I've read over the years that a coast to coast with a smooth weir is the best at surface skimming. Well, not better per say but right tool/choice for the job. Just depends on the hobbyist in "my" opinion and their overall plan/design for which is better. Drilled tanks do not rely on a siphon and thus can not. This would cause the tank to overflow and flood because the return pump would still be pumping water back into the tank. I believe thickness is all that matters with acrylic but for home aquariums it works very well and is lighter.īoth have risks. An overflow box relies on a siphon to pull the water out of the tank and down into the sump, if the siphon were to break the water would stop leaving the tank. The required flows for smaller tanks means that the open channel will be more than enough. Id always use a bean for a large tank, but usually use a herbie for smaller ones. though in most cases perhaps more conceptually superior than practically superior. Another option is two seperate herbies, or one herbie one closed loop. We never did those end pieces facing down in the past. You need to tie the two lines together using a larger pipe diameter in order to balance the two overflows. Needs to be just under the emergency drain in the middle their. Technically this is more a herbie than bean. Higher quality of glass less iron visible and thus clearer glass Thus "starfire" or "low iron" glass with a premium price tag (will vary by manufacture).Īcrylic lets through, or admits (?) more light than standard glass. ca1ore said: The bean is unquestionably superior. Only tie two together, the durso pipe and/or emergency isnt tied into the siphon. Glass has iron in it so will have a light green tint.
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