From what I can see the swivel on the 90 hose end appears wet.
Also that look like a AN -10 hose to 90 then integral 1/2npt end.
Like this
https://www.summitracing.com/parts/e...0erl/overview/
You want to try a different hose end setup. Like a straight 90 -10 AN like this
https://www.summitracing.com/parts/vpe-21910/overview/
To a -10AN to 1/2"NPT. like this
https://www.summitracing.com/parts/e...0erl/overview/