Quote Originally Posted by bgray
CYA=80

I think I'm gonna need a LOT of bleach.
Yep! You are! With a cya of 80 you'll have to shock your chlorine level up to 20 and try and hold it there to kill the algae. See the chart at the following link.

http://www.poolforum.com/pf2/showthread.php?t=365