It is سبحان الله العظيم while writing in english its somtimes written as 'z' or 'dh' , the actual letter is ظ
is it wrong to do dhikr alound in a mosque with people with the lights off? because i get a lot of stick for doing this by the salafis jazakallah
I don't know much about this topic. Why would one turn the light off? There is a thread about loud group dhikr in the forum.