..... there was some past the use-by-date PVC tubing which had been out in the yard in the sun since 1985, but which was cheap and on special.
While talking with a Buntings technical specialist in the tubing department, Team Member Doubtfire (who was working her 2nd or 3rd job) thought deeply about his question and then advised "PVC tube is much stronger than the equivalent size in alumaminamumiam, or even 304 stainless, and PVC is totally unaffected by UV light, so I'd say you are on a winner, flyboy".
Because Doubtfire had a good set, and agreed to have a coffee with him at the Buntings Coffee Shop, he accepted all that she said, bought the job lot, and he ........