I'll add my two cents because A) I need advice B)I think I'm going thru the same problem...

I don't know if what I have is algae or not... black crud in the inline filter which if you pour out onto your hand just sort of disintegrates. I'm guessing that's algae.

I use B100. Car sat all winter but before I started it up I ran all fuel thru a .5 micron filter, drained the tank and cleaned the fuel strainer. Now after 250 miles my inline is clogged.

Now I'll go and filter the B100 again to .5 micron for a couple of hours... run it back into the tank to slosh around and really kick up the contaminates. I may just have to pull the strainer again, don't know...

Suppose I'll throw some Starton in there when I'm done.

Does that sound like a plan?

I thought it curious to hear B99 to fight algae... or was it just suggested to clean out sludge?

Bill

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'87 300SDL, intensely modified Greasecar setup, with nickle plated heat exchanger, 3 valve setup, 312,000 miles
'95 Suburban diesel, Greasecar basics, 16 plate heat exchanger, mercedes fuel lines, Racor filter
'85 Renault Alliance converted full electric vehicle