ok so I'm starting to do my plumbing I have everything sched40 my bulkheads have 1 1/4" OD threads so I got 1 1/4" ID fittings but it is like they are the wrongs threads they will on screw on a couple threads befor they tighten up and I have to use the vice to unscrew it
Does it need a little lube?hmmmm...I have a thread guage measurer with my tap set I'm going to measure the threads and get back
The tank came with the bulheads it's a marineland cornerflo 90