Sailing things right

If you're not rich enough, you're going to recycle as much stuff as possible.
Ropes are one of the most regular expenses and they are always in deficit.
So yesterday I found old mooring lines trashed out by marina and decided that this hundred euros is worth saving.
Recipe is simple:
- dry lines
- hammer lines to remove the most of barnacles
- bath lines in citric acid to dissolve hidden calcium
- wash in detergent (optional, just for aesthetics)

About two hours of work.
Lines I've collected would be about €150 new. These had never been stressed, do I consider them as new, just dirty and it's fixable.