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 Posted 2/21/2006 9:15:39 AM |
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I like/agree with both of Paul's ideas very much... addressing the issue that the floor drilled gravity overflows generally are noisy and unsightly. Thus... converting them to CLM use or just plugging them takes care of both issues. The display can then be drilled high (near tank top) for larger, quiter overflows (bulkheads with or without a horizontal overflow).
.Anthony Calfo
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| Posted 2/21/2006 9:42:46 AM |
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| My next tank will DEFINITELY be a horizontal overflow, unfortunately I didn't know about them until after purchasing my 75RR. What REALLY bothers me about my current 75RR is that I saw one a couple months before purchasing that had a corner overflow that I thought I could at least deal with. Well, I go pickup my new tank and it has one of those slightly offset overflows that leaves about 3-5" of space between the corner of the tank and the left side of the overflow. I didn't think much of it until I got the tank home, full of water and then started testing flow. It is very difficult to get flow into that corner! Since I didn't go with a closed loop and don't want a powerhead stuck to my front or side glass just to provide flow to that corner, you can imagine how difficult it is to get flow in that useless space that also isn't really big enough to aquascape. I removed my DSB from that corner and replaced it with a rubble pile to at least get a pod production factory out of that corner, but sure is a waste of space. Whoever dreamt up these offset vertical overflows didn't know much about flow and noise. Brian
7 years FW, 5 years SW
Education is the solution to pollution, not dilution.
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| Posted 2/21/2006 10:38:04 AM |
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this might be a hokey suggestion... but in that "wasted" corner, you might add a fine pore airstone at depth and place a splash plate just above it (to cut down on salt creep from snappping bubbles). Simple airstones are tremendously helpful for water quality (O2, off-gassing, water movement) and may be an attractive feature for the corner. It will hide the seams and silicone is nothing else  It will indeed keep waste from accumulating there too. FWIW
.Anthony Calfo
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| Posted 2/21/2006 10:53:33 AM |
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Thank you both for the feedback.
I have thought about using them in a CL and or plugging some of them. One option I have thought about is put the raw pipe straight up from the bottom bulkhead thru the bottom of the horizontal overflow. Any concerns on it being thru the bottom vs the side of the horizontal overflow?
The next step would be to use zip ties to strap liverock permanently around the pvc pipe. Or maybe the foam some people have been using.
Again thank you for the ideas and information
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| Posted 2/21/2006 10:58:36 AM |
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ahhh... very interesting! If i understand you then yes, it would be a fine way to make lemonade from lemons (feeding a horizontal overflow in this case by use of a pre-drilled vertical overflow floor bulkhead). Modify the vertical if/as needed (cut down or remove) to install the internal horizontal. No problem here beyond aesthetics.
.Anthony Calfo
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| Posted 3/20/2006 6:28:21 AM |
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Location question and trapping:
If one would like to keep the water level 1 inch below tank frame, where would the horizontal overflow have to be located.
Also, what have you used to prevent unwanted intrance into the overflow ( such as fishes, snails, etc).
Would like to adapt a glass Horizontal Overflow,
thank you all in advance,
Rainer
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| Posted 3/20/2006 11:29:19 AM |
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fredfish (2/17/2006)
If I were to start with a new tank, I would probably go with an external and have the back of the tank lower by an inch for the overflow. This would give a cleaner look IMO. Fred That sounds like a nifty idea, am I correct in assuming you'd only be making a portion of the back 1" lower and not the entire lenght?
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| Posted 3/23/2006 10:28:03 AM |
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Here's mine in my 75, made out of a singe 2'x2' 1/4" acrylic sheet. You can barely even see it against the black background.
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| Posted 3/26/2006 8:16:13 PM |
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RainerFeyer (3/20/2006)
Location question and trapping:
If one would like to keep the water level 1 inch below tank frame, where would the horizontal overflow have to be located.
Also, what have you used to prevent unwanted intrance into the overflow ( such as fishes, snails, etc).
Would like to adapt a glass Horizontal Overflow,
thank you all in advance,
RainerRainer, I just installed my horizontal overflow in my tank this evening. I was told that the water can come up as high as 1/2" over the top of the overflow trough. So, keep that in mind when doing your calculation for placing your horizontal overflow. I used black egg crate that I placed inside the overflow. I held them in place with suction cups that have hooks on the ends of them. I bought them at Home Depot. I will try to include pics soon. Good luck. Rebecca
Rebecca
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| Posted 3/26/2006 8:20:15 PM |
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| Anthony, I am planning on setting up a FOWLR tank. I just installed the horizontal overflow in my reef tank that I am setting up. Should I have put the horizontal overflow in the fish only tank as well? Thanks.
Rebecca
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