3D background

[burbon44s]

I wanted to make a 3D background for my new 560 before i get it running.
I've seen on u tube and on internet sites that people r using that pink foam board.
Is that really safe for long term use?
Should i seal it some how? It is insulation.
Maybe with Dry-Lock?
What do you guys think?
Need help..... dying to get this tank done

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[spiff44]

I haven't made my own but I hear concrete and cement used when not sealed can change your water parameters over time.
I have used backgrounds made at Replications Unlimited for giant tanks. Its all rubber so its inert and its easy to fix in place with some Greatstuff canned foam.

 

[Double H]

I am nearing completion of one of my own. The pink or blue polystyrene is safe, and carves/sands to shape nicely.

 

[Double H]

Also, drylok tinted with cement dye is what I am using.

 

[dhardwick]

I used 2" blue board for mine and then painted it with dry lock then started painting it with dry lock tinted with acrylic paint worked great


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[dhardwick]

Also, drylok tinted with cement dye is what I am using.

It looks really nice you did a good job with that Thanks for sharing

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[burbon44s]

Yeah. Looks great
But do u know anyone that has used it for a long period of time?
I know things like Styrofoam seem to be OK in water. But if it's submerged for a long period of time, the oils come out and could get your fish sick


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[dhardwick]

Mine is been in for close to a year with no issues the dry lock completely seals it so there shouldn't be any leaching at all I put 2 or 3 coats on it prior to putting the color on

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[burbon44s]

Mine is been in for close to a year with no issues the dry lock completely seals it so there shouldn't be any leaching at all I put 2 or 3 coats on it prior to putting the color on

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So u sealed the whole thing?
Front. Back. And bottom?
Then u just siliconed it in?
Is it a glass tank?
Mine's acrylic, I wonder if silicon would work

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[dhardwick]

Sealed the whole thing then painted for color with the dry lock with acrylic paint mixed for color then siliconed it in should work fine , use plenty of silicone

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