grainy? you mean the pith? If it's soft then either scrape it out and fill with epoxy/epoxy putty, or saturate with superglue to seal it up. If it's not too soft, then super glue to stiffen the structure and then glue as normal. Pay attention to sealing the ends where the epxy won't be sealing next to steel (just fill with super glue and/or epoxy to seal it up and stop muck getting in
Don't worry abut the questions mate. People often say that learning on your own and making up as you go along is the best way to learn; I whole heartedly disagree! I'm almost 100% self taught and it is the slowest, most expensive and most frustrating way thanks to the mistakes, miss purchases and bad habits that have to be re learned or worked out.
Don't worry abut the questions mate. People often say that learning on your own and making up as you go along is the best way to learn; I whole heartedly disagree! I'm almost 100% self taught and it is the slowest, most expensive and most frustrating way thanks to the mistakes, miss purchases and bad habits that have to be re learned or worked out.