If you will still look at this. A 68/45 cover will not fit on a 70. 70's are longer and skinnier. Your tank should be fine and shouldn't be affected by the bad tanks. They got every tank replaced I believe.
Eddie Tamao Fan#23
Current Markers: Red/Black Ego8, Redz Black/Red Ego7, Black/Black NXT, Black/Gold XSV SL74