I am planning on a coolant system flush in the near future and the recommended flushing agent is citric acid. Those that have used this, where did you find it and what was the cost? Also, how much/what concentration did you use?

Also, did you use anything else to degrease the cooling system?

Thanks in advance for your help,
Sam

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Sam

84 300SD 350K+ miles ( Blue Belle )

You are a bit late.....I sold two packages of it to two fellow members. Then I bought my second benze and decided to keep the third kit for myself...You need 1 kilogram of it........which is 2.2 lbs....I flush out the antifreeze then use prestone radiator flush. THen flush that very well before doing the citiric acid......Mercedes dealer seels it but there are cheaper souces.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

Enough for you, and three friends ~ $17. http://www.botanical.com/products/supply/ingred.html scroll down to citric acid

__________________
The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

THere is always Ebay too.............its not cheap at the dealer.

__________________
Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

That is cheap.....I paid far more than that for mine when I got it on Ebay.

__________________
Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

ORANGES!

hehe

__________________
-Randy Wakefield

1969 220D 4 speed (parts car)
1976 280C
1976 280S
1981 240D 4 speed (parts car)
1982 300D
1983 300TD (Ivory)
1983 300TD (gold)
1985 300TD (gray)
1987 190D 2.5
1970 280SEL (sold)
1977 240D 4 speed (sold)
1974 280 (rusted to death)
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1927 Chevy 4 door sedan
1938 Chevy 2 door sedan
1950 Willys Jeepster
1955 Studebaker President 4 door
1977 Ford F250
1979 Glastron 17'
1948 John Deere A
1960 John Deere 2010
1979 Satoh S650G
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2000 Bichon (Doby)

WalMart pharmacy ordered a pound for me at $7 a few years ago. had it in the next day. You can use liquid Tide as a degreaser. I used it and had no problems. Others suggest liquid dishwasher soap becaUSe of the possibility of too many suds. Wasn't a problem for me.

You really don't have to descale and degrease unless you have a need to.

Len