Bean Animal External Overflow

[reef keeper]

i picked up this 200 g yesterday and I'll be tearing it apart and redoing it. I'm doing a bean animal in an external overflow (thanks Phil) and I want to notch the back.

I'll be taking it to a glass shop and having them notch it. The tank dimensions are 84 x 30 wide x 20 tall.

I don't want to lose too much height, so I was doing to do a 1" notch that will be 6 ft long.

Does this sound right? I want a thin ribbon of water going through the slot. I'll also be euro racing the tank.

Those are 2" wide or 3"? Was going to do 1/2" eurobraces both top and bottom

 

[pulpfiction1]

NAFB done the beananimal on my 150,they told me they dissasembled the tank,cut what looks like a 2" slice off the top of the back pane,put it back together with a starphire front pane with 3" front and rear bracing on the floor of the tank.your idea should work fine.

 

[reef keeper]

Is that an external box? Can you take a side pic of it? I'm not going to use the teeth. Just a thin ribbon of water going over it. 1" cut. Did they temper the back? That's what miracles said to do

 

[pulpfiction1]

i dont think mine is tempered,but is just a straight cut off the top,so integrity is 100%,braced at the bottom only
i only have a few inches between the tank and the wall so i cant really get a decent pic but the build thread will show better

http://www.thefragtank.ca/community/index.php?threads/150g-complete.13177/

 

[pulpfiction1]

sorry this is the build thread

http://www.thefragtank.ca/community/index.php?threads/pulps-150g.10458/

 

[100gallon]

Pros and cons of teeth in the overflow....I didn't use teeth as it would theoretically reduce your flow by 50 percent or at least interrupt a nice laminar flow over the edge. I have only had a few times where my fish or shrimp ended up in the sump.

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[Petercar (RIP Dec 2017)]

my tank is a miracles with a external coast to coast overflow. its a 36 inch tank. the overflow is 24 inchs long. it has teeth along the whole thing. it will keep yur fish and snails out of the overflow but it wont keep the bristle worms out

 

[reef keeper]

I'm trying to get the back notched to allow the water to overflow but easier said than done. Miracles wants 600-800 to do it and temper the back pane. Anybody have a good glass shop?

 

[jeffopentax]

How much for the 1" cut all tbe way across? Could do that, then get a piece of acrylic cut with teeth (JT perhaps?) to silicone to inside of box. Make sense?


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[pulpfiction1]

i myself would get a single straight cut at a local glass shop,i wouldnt worry about tempering either,you glass is only 20" tall.and you plan to euro brace it

 

[reef keeper]

I'm trying to figure out how to eurobrace the back. It can pic up part of the overflow box and the sides. I guess 19" really isn't going to bow is it.

I'm really trying to avoid teeth if I can.

How wide would you make the overflow box? 5"? I figure 3/8 glass would be fine. The glass place would like 5" to drill the holes. Since its a 200 gallon I was going to use 1" pipe for everything so that would be 3 - 1 1/2" holes correct

 

[pulpfiction1]

i think mine is 6"

 

[pulpfiction1]

figure out the amout of water your overflow box will hold,but i think that 3/8 would be fine as well

 

[pulpfiction1]

and this is the only brand of silicone i would use

 

[Sewerat]

What about return water? What is your plan for that? Over the top or another hole and bulkhead? Depending on your pump you might want an 1 1/2 holes for drain for ultimate size not for full potential. I always like to try and oversize for safety if possible. Bigger is easier to throttle down then smaller is to overstuff.

 

[reef keeper]

The hole for 1 1/2" bulkheads is what? 2 5/8?

I really doesn't matter how far it sticks out the back. I can do the 1.5" if I go 6" wide.

Definitely using that construction grade clear for the overflow and for euro bracing. Black for seams

Found a glass shop to polish all the edges, cut the back and drill the holes in the c2c box for me.

It's not super cheap but WAAAAY cheaper than a custom tank.

I'm going to have to attach the c2c to the outside edges of the tank. 7 feet of silicone should support it I think

The eurobrace on the back I will do wider to pick up more of the box along with the side of the tank.

I will be coming back over the top of the tank for the returns. I'm only looking to push 800 gph through the sump

 

[Sewerat]

Someplace I saw either pets and ponds or reef supplies had drill bits I think they said 60mm was for 1 1/2 bulkhead. Now that is sch40 bulkheads. The sch80 ones are huge and over rated.

 

[reef keeper]

I saw it at brs too. 60 mm diamond bit. This guy will drill 3 holes for 60 bucks.

 

[jeffopentax]

I saw it at brs too. 60 mm diamond bit. This guy will drill 3 holes for 60 bucks.

Save $40 and do it yourself!


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[reef keeper]

But if the glass cracks I save zero right lol