Heres how to make yourself a cheap, but working light for your tank.
1) cut out a square on your lid, or make a new lid to cut a square in
2) make a box wich will go on top of the square you cut out, and make sure the box dose not have a top and bottom
3) once you checked it will fit, put Aliminum Foil (Tin Foil) all around the side of the box
4) Put a lap head in the top of the box
5) Tada!! Turn it on.
1) cut out a square on your lid, or make a new lid to cut a square in
2) make a box wich will go on top of the square you cut out, and make sure the box dose not have a top and bottom
3) once you checked it will fit, put Aliminum Foil (Tin Foil) all around the side of the box
4) Put a lap head in the top of the box
5) Tada!! Turn it on.