fina ?'s

Noticed today in my fina that there is some redish brown floaty shit in the oil. When I made the fina it was clear as day light and looked beautiful. Is this ok? or should I refilter it witht the whatman?? I thought I read something about oxidation but could not really find any direct answers. I had about 55ml and already have gone through more than half and have about 3 weeks to go on fina. So any input to why this shit is in my bottle??:unsure:

I made another batch of fina last night, had the same problem...mine came from the needle touching the glass...

I'd re-filter it, just to be safe....