Styrofoam - inert? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 05-03-2003, 03:30 AM Thread Starter
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I know a number of folks have used this for 3d backgrounds and end up sealing it with epoxy, but they use paint, dye or some such other thing that would necessitate the sealer. I'd like to use it to fill some tier space in an aquarium I'm setting up, and I would expect it wouldn't pose any hazard if I don't seal it. Does anyone know for sure?

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post #2 of 4 (permalink) Old 05-03-2003, 05:08 PM
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Would it not float? You reallyd didn't mention anything about weighing it down, but I could imagine it might be messy if it gets broken into lots of pieces. You could just use rocks or something, but I don't have too much experience in making tiers etc... I would make sure to make it sink first though...


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post #3 of 4 (permalink) Old 05-03-2003, 07:51 PM Thread Starter
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Well, sure, the stuff floats better than just about anything. I would goo it down with silicone. It then would get covered in several inches of gravel. Also, I'd probably use extruded polystyrene, which has fairly good integrity (not likely to flake apart). I'm just looking for a lightweight filler to take up a little extra space in a rather unusually heavy tank.

See, I've got this 20xh that I got a nutty idea to turn into a slate wall. Well, the back is now covered in slate pieces, and I'm going to try some steep terracing (this small tank has some real depth to play with), and the foam might help. Just do not want to fool with it if it has to be sealed.

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post #4 of 4 (permalink) Old 07-27-2004, 10:22 PM
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wait is styrofoam inert?? like styrofoam cups? can you use those as little "pots"?

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