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Brandon 01-17-2007 02:35 PM

DIY tank help!!
I finally got some scrap pieces of plexi glass from my teacher and wandered if anyone here could give any advice. Like how to put it together (silicon?) and how to cut ect.

Is it ok to use plexi glass?

Can some one give some i deas of what to build. Nano reef maby?
Or since the peices were small was thinking betta 3 section condo.

Here is the pic of the pieces.

Here is a pic with a psp and a 10 dollar bill for size.

If i did do a reef i thought i would do something like this.

I can give some demensions if someone wants (if you have any ideas for me!!)

Here is the pics of the betta condo. I would build 3 spaces not 4 probably.

Any ways while i was writing this i started to like the idea of the nano reef. Whats a really!!!! cheap light i could put on it and some live sand/ rock. Also what could i keep in it (coral fish inverts). Also should i build like a false wall or something and do i need circulation?

EDIT: I foud a light that might work depending on size i might have to get a 12 inch one.

I also found some pico pumps and powerheads that are cheap if i do a false wall.

And i forgot to menchion up there but there is still a piece at school that a big square that i couldnt fit in my locker. I might be able to use it as a botton because there are scratches on it.

Thanks alot!

Jaysn 01-17-2007 02:56 PM

Second image doesn't seem to work...

How thick is your plexi? That's going to be the major factor in how big your tank can be. I'd use some sort of solvent glue instead of or in addition to silicon.

caferacermike 01-17-2007 03:20 PM

You'll need a solvent called Weldon. It might cost more for the solvent then for a tank. About $12 a can. A table saw or router will make quick work of cutting it and make for very clean edges. You'll need a few syringes for the weldon.

Brandon 01-17-2007 04:20 PM

wont the weld on get stuck in the suryng?

And the thikness is about 3/4 of an inch.

It would cost more to buy the tank because i might have to put deviders or a false wall in.

Jaysn 01-17-2007 04:27 PM

3/4" is fine for something that small then, if not overkill. Plexi scratches if you look at it funny though. As long as you have enough to make all your walls, I don't see any reason why you couldn't build a betta tank like that. For large glass tanks, prevailing wisdom is to put your walls on top of the bottom, and the front and rear faces out to the sides. Drill holes in your interior walls before welding them into place, and make sure your outer walls are watertight.

Brandon 01-17-2007 04:27 PM

wont the weld on get stuck in the suryng?
Would silicon work?

And the thikness is about 3/4 of an inch.

It would cost more to buy the tank because i might have to put deviders or a false wall in.

Brandon 01-17-2007 05:01 PM

Oops don't know why it double posted. Thanks for the info. I think im just going to wait for the money to roll in to get a 20 gallon sw tank. Im also thinking if i take the peice from my school i could get 4 sections. What it small enough to fit in tiny section of a tank other than a betta. Some sort of terta or something really small i can have a few of.

P.s can i use weld on to do the inside seals?

caferacermike 01-17-2007 05:28 PM

Weldon is not a glue. It is a solvent. It melts the plastic and then quickly evaporates away. You need to place the pieces where you want them and then squeeze the solvent along the joint, carefully. It will wick between the panels.

Brandon 01-17-2007 06:57 PM

So i don't need to glue the peices together?

SAnd i desided on a new on that i can show later. Its gonna be for tertas or platys and theres gonna be a little section for a betta. theres gonna be a filter and a light to. Or should i just leave out the betta. how many tetras or platys can i get in a small tank?

caferacermike 01-17-2007 08:24 PM

Is gluing the right term? Not really, you are welding the acrylic according to definition. But yes it is "gluing". The Weldon will "act" as your "glue". Please understand that it isn't sticky like a glue. It's really thin like gasoline. Essnetially that is what you are doing. You are using a solvent, like gas, to melt the pieces together.

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