While on holiday i picked up a airflo xls glass line, 1st 30 ft only i,ve got a running line for it and i,m looking for ideas to join them together ? I,ve thought about using a piece of braiding but i,m looking for any better ideas ? Thanks Alan

If you intend to change tips on running line needs to be loop to loop connection, generally done with 30 to 50 lbs b/s braid, but keep loops as tight as poss. Most manufacturers of multi tips, loop, and weld, core of line before putting on tight sleeve, keeping loop very tight.
If you are making permanent join, braid is fine, equal lengths of head and running line into braid with long braid sleeve over both ends, little dab of fishing glue (have seen some done with aquasure, but looks a bit bulkier), just to make sure, prior to covering join with sleeve.
rgeards
bert