I choose the vinyl because I went to purchase a used tank today & someone painted 3 sides of the acrylic tank , which I want 360 degree view in center of room so it wouldn't work . I thought too much work to remove paint.

But For my other tank I used blue vinyl ( 110 gal fish only)

I used blue sm hard insulation, easy to remove, on velcro and can still view the back of the tank when needed.

My backing is black and I think it looks more classy but makes the tank look darker.

I like the black that I have on my current tank, things really stand out againt it but any junk stuck to the black glass really does as well. I had a dark blue to black gradient on my nano, that was really cool and proably the way I will go next time.

You can do the gradient with spray paint but I think it would be a big pita.

The gradient with black bottom, blue top would be the best of both worlds. Not a HUGE PITA with spraypaint.

vinyl looks good and you can always change it.

http://i88.photobucket.com/albums/k1.../Img2005-8.jpg

Back
http://i88.photobucket.com/albums/k1.../Img2005-7.jpg

i was thinking of going with blue, but in the end i chose to go with black because the corals stand out much better.

cheers

I like the look of both blue, and black-backed tanks. However, all my tanks are black. I find black to be more dramatic, and it looks a lot better if you can't contantly keep up with keeping your back glass cleaned. Blue does look a bit more natural, I think.

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Nobody thought about white? I've seen white back grounds on tanks and they really brighten up the whole thing.