This worried me a bit, so I did a sneaky google search. Check this out:
If the Internet is to be trusted, then the bleach will evaporate quickly.
Wow, there is really a lot going on here. Glad to hear you're seeing someone. I'll just share some of my thoughts and you can take or leave them.
You're talking a lot about your emotional response to porn: hate, disgust, anxiety.
Seeing a doctor is not a bad idea. My experience has been that no sooner do you get reassurance that your current concerns are unrealistic than your ocd will throw up some new problem. From what I've seen that isn't uncommon in the likes of us.