Pool Light Cover

[PoolDoc]

Dunno about lights, but I can tell you that perceived pool color is more often affected by liner or surface color, and by water condition, than by lights. I've had people ask me, regarding commercial pools we serviced, if we used some sort of blue dye!

PoolDoc

[kelemvor]

Pentair and hayward both make colored lens covers for various lights. Here's an example for the pentair amerilite: http://www.google.com/products/catal...d=0CEsQ8wIwBQ#

Hayward: http://www.google.com/products/catal...d=0CFcQ8wIwAA#