[OldBlondBabe]

"I've been blonde courtesy of chlorine, sun, Sun-In, chlorine, sun, more sun, more chlorine and then I quit lifeguarding. "

Ever experience the "green" tint blonde hair takes on after a summer of swimming in chlorinated water?

[Desdemona]

Ever experience the "green" tint blonde hair takes on after a summer of swimming in chlorinated water?

Chlorine doesn't turn your hair green. Copper-based algicides do. And due to the cost of copper, they're not used very often anymore.