Hope, that ph is right. It's whatever it ends up being after 4 parts water, 1 part lime.
Take it easy charlie and don't make yourself more faint from the bath!
Inglewood, your poor dh, all worth it in the end though! my dh didn't take long but then I did make him abstain for quite a while! I haven't broken the news about another attempt yet and he might not be keen.