Thanks, Agnes, I am wondering if it was a 'clump' of smaller stones too, because, as I mentioned in another reply, I felt no pain in the night passing this,not even a twinge.
I think I am going to try more Epsom Salts the next morning and maybe do an enema too. But, I can't even think about another flush until this bout of 'roids is completely on the mend, I think sometime next month will be he next