I recently tried baby wipes and vinegar/water mix. Both cleaned the reflectors okay, but there were certainly hard water deposits left. Got me some CLR in the closet (I believe). So, I'll be giving that a try next!
46g bf, XP3 w/ vertical spray bar, CO2 w/ SMS122 & diffuser,100% Flourite, 96w+55w cf AHS, AGA Member