Could I do buy a 10" and put it in a 10G without getting an old florescent light cover? How do you make the DIYs? Or should I just get the 20" or just get a cube tank? :O
That is completely up to you, I had the old florescent hood... Took some pictures for you of my poor 10g on my floor...
This tank is just my "food" tank for my main tank!