Quote Originally Posted by PoolDoc View Post
A couple of comments:
  • I've often seen pools look like that when the algae was dead / dying.
  • You need to be VERY careful to double rinse your chlorine tube after testing for CC! Any carry-over of R-003 will cause your FC test to include some or all CC.
  • High CC and low FC after adding chlorine are typical of pools with lots of ammonia.

Ben
Ben,

That's helpful. I'll make sure I rinse well. Problem is now that with all these weird tests and such I'm running out of R-0871. I have some on order but it won't be here for a bit.

Thanks!