Questions about 3D Background

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gfunk823

Feeder Fish
MFK Member
Jul 17, 2010
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0
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cromwell connecticut
im looking to do a 3d background for my 75 the only problem is i cant do it with emptying the tank is there anyway to do a 3D background without emptying the tank:wall:
 
if your making the background out of styrofoam and then cementing it, then i woud have to say no, because even tho the cement will make it heavy, the styrofoam will be way too bouyant to sink.. if your planning on doing it that way, you have to completely drain and dry the tank, take precise measurements, and when finished silicone the background in place and let it dry for 24 hours before adding water to it..

the only thing else i can think of are those t-rex vivarium foam inserts, although there only for like 10 and 20g tanks.. and there not really good for fish...
 
thank you, i kind figured it was the only way after looking through all the threeads but i figured id ask andkept a shred of hope i wouldnt have to empty the tank lol

thank you
 
yea everythign ive found on ebay is pretty pricey but i already started building the stand for my mudskippers new tank which ill be doing a 3d background for on that tank...
probably start a build thread foor it or something
 
It can be done without draining the tank, it's just a lot harder. You basically need to make all the pieces and concrete them. I would do the back ground in serveral sections (3-4, or more since it is a large tank) that will fit together like a puzzle. After letting the concrete dry for a day or so, they will need to cure in a large tub for several days, if not weeks, in salt water with multiple water changes so that they will not buffer your tank when installed. Instead of being held in by silicone or adhesive you will hold them in with multiple high strength magnets (they will need to be strong to hold down all the foam). One set will be embedded in the foam, and the other on the outside of the tank. This may take some trial and error, but it can be done. Hope this helps, or at least gives you some new ideas.
 
I am actually wanting to do the same thing, make a 3d background without emptying the tank. I was wondering if it'd work if you made it in 3 or 4 pieces, and attached something (thin metal or plastic or whatever) to the bottom of the pieces of the 3d wall. These pieces would go under the gravel like an L = (vertical bar being the background, horizontal bottom bar being the plastic)

The gravel would be easy to move over just small sections at a time. Would this be enough to hold the styrofoam down and not float? This is the best option I could think of!
 
if you put on a lot more cement than you need too...
 
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