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#1
08-24-2005, 02:37 PM
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Biocide? Check my math
I got some Racor Biocide today, and am trying to figure out how much to use for 5 gallons.
1 ounce [US, liquid] = 29.5735297 cubic centimeter 1 oz to 80 gallons = 30 cc's (29.57) 1/4 oz to 20 gallons = 7.5 cc's 1.88 cc's for 5 gallons Sure does not seem like much biocide for 5 gallons. Do these figures look correct?
__________________
1985 300D California w/cat. (257,000 + Miles) 1980 300SD (208,000 + Miles) 
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#2
08-24-2005, 03:35 PM
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If the requirement is for 1 oz in 80 gallons, I get 1.85 cc in 5 gallons (close enough). That must be concentrated stuff.
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#3
08-24-2005, 05:31 PM
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If you're using it in your fuel tank it's best to use it with a full tank so Biocide is able to cover whole tank...It only reaches what is filled...
1/2 tank= 1/2 coverage.... Any fungus that is above 5 gallon won't get treated....
__________________
'87 924S '81 280SEL Sold -> 81 300SD - 93 300E w/ 3.2 85 300D- 79 300SD 82 300CD 83 300CD - CA 87 190E 5 spd 87 Porsche 924S "..I'll take a simple "C" to "G" and feel brand new about it..." 
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#4
08-24-2005, 05:59 PM
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I have a 55 gal. drum of old #2 diesel that I am double filtering into 5 gallon jerry cans. I do not want to dump it in my car without treating it first, just in case it may have bugs in the fuel.
One good thing about diesel is it will last for many years, if capped. This fuel is only about 20 years old, the original diesel, before the new formulas we have now. Wish I had more, but that's all. It is (was) for my standby generator.
__________________
1985 300D California w/cat. (257,000 + Miles) 1980 300SD (208,000 + Miles)
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#5
08-25-2005, 03:09 AM
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Shock it.
I use 1 ounce [US, liquid] = 29.5735297 cubic centimeter of BIOBOR for a full tank of diesel = shock it.
No problems caused by shocking the tank.
__________________
ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/
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#6
08-25-2005, 08:21 PM
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No doubt it varies from brand to brand, but some brands have a caution about overdosing. Sez it causes formation of solids.
I wouldn't deviate too far from the instructions.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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#7
08-25-2005, 09:17 PM
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Yes
Quote:
I would rather change the fuel filter a dozen times than pull the fuel tank for cleaning even once. Shocking a contaminated diesel fuel tank will definitely cause all the growth to die = a very good thing. My secondary fuel filter will be changed within two days, it is loaded with dead sludge, the tank has been shocked three times in six months = total filter life of current cartridge will have been seven months. I keep my fuel tank full, pure fresh vegetable oil or diesel. bad smelling fuel, Gag, gasp, choke bad smelling fuel, Gag, gasp, choke
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#8
08-25-2005, 09:21 PM
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Thanx for the replies!
I'll put 2 cc's in a 5 gal. can and wait a coulple of days and see what is going on. Does Racor Biocide break down after putting it in diesel,(like become inert) or does it still keep on going looking for more bugs? The data sheet does not say. I want to be on the safe side using this stuff.
__________________
1985 300D California w/cat. (257,000 + Miles) 1980 300SD (208,000 + Miles)
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#9
08-25-2005, 10:21 PM
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Quote:
Call their 800#. Talk to a rep... I am using ValvTech BoGuard and spoke to their rep and got all Q's answered.....AA
__________________
'87 924S '81 280SEL Sold -> 81 300SD - 93 300E w/ 3.2 85 300D- 79 300SD 82 300CD 83 300CD - CA 87 190E 5 spd 87 Porsche 924S "..I'll take a simple "C" to "G" and feel brand new about it..."
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#10
08-26-2005, 11:07 AM
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Quote:
I am looking at a bottle of Biobor JF. The stated "shock treatment" dosage is 1 oz per 40 gallons. Maintenance dosage is 1 oz per 80 gallons. Therefore 1 oz per tank is double the recommended shock dosage or 4 times the recommended maintenance dosage. This product, although it doesn't have a skull and crossbones on it, is a highly concentrated pesticide and should not be used improperly. Just my 2 cents worth, but also just common sense. If the spec says to tighten a bolt to a torque spec of 50, we wouldn't take it upon ourselves to tighten it to 120 would we?
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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