Aquafrise;3598614; said:If you were to buy a fish tank and you can choose between Blue or Black background only which would you choose I know it depends on What your putting in it but let's just see what most members would choose.
I have a tank with a black background so I'd likely elect one with a blue background to contrast it with. With the black background tank it is often hard to find fish. On the other hand it looks deeper.

