Veteran Patton oil replacement to 10wt Redline fork suspension fluids

first the result, then shows the maintenance.
why? it started leaking after a offroad on frozen ground / snow(1150km total). Second: what oil factory uses? dont want to know.
mods in this vid:
oil seal set: 37-50-11 for motorcycles (10 euro).
oil: Redline suspension fluid 10wt / 125ml per shock. (20 euro).
x mud by acerbis - fork dirt protection green (5 euro).