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  #1  
Old 08-07-2006, 04:28 PM
rblookc
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Black Gunk in In-line filter

There is building black gunk in my inline prefilter in my 85 300D. Car just grumped to a halt for the first time too. I am fearing fungus amungus. I will change the prefilter, but my hunch is this fungi likes nice warm diesel. I dont want to get into this tank screen cleaning business. Suggestions? Maybe just silt from a bad batch o' diesel, but i doubt it.

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  #2  
Old 08-07-2006, 05:09 PM
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If it's fungus or Algea Startron will clean it out for you.

I buy mine here:
http://www.westmarine.com/webapp/wcs/stores/servlet/DisplayPageView?storeId=10001&langId=-1&catalogId=10001&page=StoreLocator&section=stores
Never had to clean the tank strainer.

Danny
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  #3  
Old 08-07-2006, 06:28 PM
rblookc
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Thanks. Just purchased a bottle. I like enzymes better than poison.
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  #4  
Old 08-07-2006, 11:34 PM
Palangi's Avatar
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Quote:
Originally Posted by rblookc View Post
Thanks. Just purchased a bottle. I like enzymes better than poison.
Uhhh.... Better downoad Startron's MSDS sheet.
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  #5  
Old 08-22-2006, 10:57 AM
rblookc
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Startron seems to have done the trick. I added 2 oz. to full tank (no choice), drove around for a while sloshing it around, then left it for the weekend. New in-line filter caught some buggy looking things, but the amount no longer seems to be increasing. I will treat again when the tank gets low, with another oz or so, to put an extra hurt on the fungus amungus. die!:fork_off:
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  #6  
Old 09-07-2006, 10:24 AM
rblookc
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Check that, after several weeks it came back. Stuffs bad news and tough. Should I also hit it with a biocide?
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  #7  
Old 09-07-2006, 10:27 AM
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I have wondered if some good old fashioned biodiesel might do the trick. Higher acidity and all.
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  #8  
Old 09-07-2006, 11:43 AM
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Originally Posted by winmutt View Post
I have wondered if some good old fashioned biodiesel might do the trick. Higher acidity and all.
Biodiesel would work but it's not available everywhere. If I wanted some I would have to go to Miami or Tallahassee.
Quote:
Check that, after several weeks it came back. Stuffs bad news and tough. Should I also hit it with a biocide?
Startron is a biocide. you can try biobor if you want. What you should do is treat 3 or 4 tankfulls of diesel with double the amount required. Put the treatment in first then fill up the tank all the way.

Danny
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  #9  
Old 09-07-2006, 12:06 PM
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If your tank is low on fuel, jack up the rear or drive on a curb, crawl under with safety glasses, rag, screwdirver and the largest pail that will fit & verify fuel flow from the tank line on pass. side of the differential. If fuel is dirty or slugish, empty the tank, add gassoline, slosh around, drain & verify flow through the strainer. If this cleans the strainer, fill tank with diesel. If not procede to removing the strainer ... see archived posts. You need to kill all the bugs in the compleat fuel system so add the biocide and fill the tank.
Avoid fuel stations that do not have a high # of diesel customers. Use stations the have a high turnover of fuel in their tanks. The more customers, the more likely complaints will force better maint. on their bulk tanks. Truck stops are the best. One bad batch of fuel will be broadcast on CBs and their sales will fall within days and stay there for weeks.
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  #10  
Old 09-07-2006, 07:45 PM
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The black junk is microbes and is an organism that like fuel. Water is in the tank or they could not grow. Always try to keep a full tank to prevent condensation and water accumulation.

Startron is a great product.
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  #11  
Old 09-07-2006, 08:38 PM
Waitn For The Bus All Day
 
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I just read an article on Startron versus biobor. Biobor kills the bugs but they wind up clogging the filters and/or tank screen. Startron being an enzyme will work by dissolving the bugs, making them burn right through your tailpipe. Startron will have to be used every tank for quite some time because the enzymes take longer to work.

I had a fungus problem with my 240. Took about a month but now my prefilter is running clear and I had no plugging problems so just be patient when using Startron.

Cheers,

Bill
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  #12  
Old 09-07-2006, 08:50 PM
rblookc
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Just figured out how to clean prefilters. Take em off before they are totally clogged. Knock em out by banging them against a wall, lightly, right away. Then flush with Citra Solve or even water. You can get most of the fungus out that way, let dry, and reuse until you clear the fungus problem. If the fungus dries on the screen it's pretty difficult.
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  #13  
Old 09-07-2006, 08:57 PM
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you added just 2oz... someone here dumped the whole thing in that treats 400 gallons... ( i dump a whole thing of powerservice in that is for 100 gallons)
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  #14  
Old 09-07-2006, 09:07 PM
rblookc
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Yeah, two ounces hooked me up for about ............. 2 weeks, maybe slightly less. I think repeated doses is necessary. I prefer death by a thousand cuts rather than one hard dose though. It only takes one little algae guy to produce a bloom. I am going to hit em with repeated 2 oz.
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  #15  
Old 09-07-2006, 09:12 PM
Surf-n-Turf
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Does anybody have a picture of these "bugs". Is it an actual animal/insect or more like an algae?? Freakin me out.

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