RECENTLY BOUGHT SEVERAL USED TANKS FROM A EX-BREEDER.....THESE TANKS HAVE A WHITE HAZE THAT I CANT GET TO COME OFF.....WASHED AND HOSED TANKS:unsure::unsure::unsure::unsure::unsure::unsure: ,WASHED IN VINEGAR,:yuk::yuk::yuk::yuk::yuk::yuk::yuk:SOAKED IN VINEGAR FOR A COUPLE DAYS....TANKS STILL HAVE WHITE HAZY SCUM GLASS FEELS SMOOTH ON BOTH SIDES IF YOU HAVE ANY SUGGESTIONS ,I WOULD APPRECIATE ANY HELP? THANKS GREG