I thought that the 150 gallon Rubbermaid stock tanks had drain sizes
of 1 1/2"....but when I tried to attach a 1 1/2" male pipe into the
outlet, I realized it is actually smaller than 1 1/2". If it isn't 1"
and it is 1 1/2".....what the heck size is it? Anyone else run into
this problem?
Oingofan