What makes you think 5.5ppm FC is too much? It's about mid range for 30ppm CYA (noon time). Are you aware that for 30ppm CYA your target is actually 6ppm?
For a mid day test, that all looks good however if you're dosing only to 5 every day, chances are you're ending the day below minimum which could be why the wife is feeling some sliminess now and then. Try dosing up to 6ppm every night for a week and see what she says.
Edit: Topic split off from http://www.troublefreepool.com/how-is-my-pool-t36664.html to avoid getting OT
For a mid day test, that all looks good however if you're dosing only to 5 every day, chances are you're ending the day below minimum which could be why the wife is feeling some sliminess now and then. Try dosing up to 6ppm every night for a week and see what she says.
Edit: Topic split off from http://www.troublefreepool.com/how-is-my-pool-t36664.html to avoid getting OT