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DSB & All-Glass Twin Flow Overflow |
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#1 |
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Just Moved In
Join Date: Jan 2002
Location: Missoula, MT
Posts: 13
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DSB & All-Glass Twin Flow Overflow
I'm wondering how deep a sandbed people have if they have this kind of overflow. The All-Glass overflow system has inlet openings at the bottom of the overflow wall & if your sandbed is very deep you can cover these openings. What's everyone's feeling on this?
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#2 |
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Just Moved In
Join Date: Sep 2000
Location: pittsburgh,pa,usa
Posts: 48
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You can slope your sandbed so that one end is deeper and the other is just below the inlets. The front sand against the glass looks level but it has a slight slope to the back cornor. Once you place some rock there you will not be able to tell it is sloped. HTH
Brian |
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#3 |
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Council
Join Date: Mar 2000
Location: N.W. Pennsylvania, USA
Posts: 434
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I have an AG w/twin overflow and my sand bed is over 4" deep. I filled the sand up to the bottom intake on the overflows in the back but my sand bed is not level and it is deeper in some areas. I think I read somewhere that someone (on the board??) covered the bottom intakes with a strip of plastic. So far I haven't seen a reason to do this at this time. One problem though is my clownfish likes to dig a hole in one corner and the sand and silt is sucked into the overflow.
I never tried to just cover it with sand- don't know what if anything would happen. |
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#4 |
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Mayor
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If you fill your tank up to the bottom notches of the bottom overflow inlets, it will only allow 3 inches of sand in that area. I measured it, as I had this problem when I started. Even when I sloped that sand, inevitably, the sand is slowly sucked out of the tank through that overflow. I have not solved this problem to date. I like the idea of the extra flow in the bottom of the tank, so I just let that side go at 3 inches. Fancy rockwork will/can hide that. I didn't want to cover the opening and defeat the purpose. If only they'd raise the notches a little higher!
![]() Joanne
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