The ports in the banjo bolt fittings are small enough to trap crud, and they become a filter of sorts, but not a good one. If we get a poor running tractor and the fuel lines are good, we will look for adequate fuel flow at the filter housing. If weak flow, we blow back through the hose and generally get a full stream. We then know there is some crud upstream between the filter and tank, and the smallest space is at the banjo fittings and the tank outlet.
By mentioning this, you will have saved some reader a real headache down the road. We all get stuff in the tank occasionally, even the most careful guy does it seems. By diagnosing like I mentioned, they will find what you have found. Clean that and you are good to go.