I kind of need this answer quick! I just added the CYA powder (I know, it's 11:00 at night...) I've got the filter on, but is it ok for that powder to sit on the bottom of the pool? I have a pebble tec finish. I brushed it around a little, but it's not dissolved yet.
(I guess i can stay up and babysit the pool if i have to!!)