There are def two types of locline, actuallty there are 3 :)
Blue/Orange = Legit locline, you can tell as it will have loc-line stamped on it somewhere
Black = only way to tell if it's legit is to find the words "loc-Line" stamped on it somewhere
Now, the 3rd type - is coming out of China i'm guessing, is not stamped loc-line and does leak, how do I know? i've bought some from a wholesaler that deals in chinese products and this was def NOT loc-line.
As for what Andries sells, IDK. It could be the official Loc-Line, it could be the cheap crap coming out of China. IDK, havent bought it so cant tell if it's stamped or not.
Not all Loc-Lines are created equal :)