does tren need to be clear when finished making?

Mine is somewhat cloudy even after filtering and boiling a couple times.

Carlscky...DO NOT BOIL...You should heat nor boil Iron Bro...you are the second person I have heard say, they boil their gear...Now after filtering and settling it will be a little cloudy initialy but it should clear up...if not you can repeat the process, but it insn't dangerous if it is not completely clear...

Heat can actually decrease availability of fina or if heated too long render it useless.
You need to do more research on tren it appears to me.

well how do I know if I ruined my tren without injectinig it? Does it look a certain way to be infectious or useless?

You can only learn by trying it. If it works then you have to judge how well. Color will not tell you much.
trust the whatman and the ba next time.