Hi Aran,
If you are still joining us on Sunday then we can sort this out for you. If you do go ahead, make sure to only get the tape in the threads on not around the front of the the elbow otherwise you will blow bits of tape into your guns internals.
You should probably test for the exact leak location with some soapy water - just dab it around the area and see where it makes bubbles. It might be your bottle o-ring after all.
If you are still joining us on Sunday then we can sort this out for you. If you do go ahead, make sure to only get the tape in the threads on not around the front of the the elbow otherwise you will blow bits of tape into your guns internals.
You should probably test for the exact leak location with some soapy water - just dab it around the area and see where it makes bubbles. It might be your bottle o-ring after all.