Some time back, I wrote an article about creating your own fibre optic cables: a quick, easy, inexpensive and very satisfying process. In case you missed it it, a link to the piece is here. https://waterpixels.net/articles/articles_technique/diy-fibre-optic-cables-easy-r32/ Now, many months on, a couple of additional suggestions: BURPING On entering the water and descending the plugs at both ends of the cables often need burping. Tiny air bubbles seem to be able to block fibre optic light tra