Alan79
Aquarium Advice Freak
I went with regular sand,, I have been kicking myself for it too
I just set up a tank with river sand which looks ok with the stone scape i did but if i had enough black tone it would have been used. I probably only have 1/2 a 5litre bucket left. Black background is on but too big so it needs cutting down to size before taping it to the tank.