Wheres a good place to get citric acid for my upcoming radiator flush adventure?

I need the usual dose of 2.2 lbs.

Can I find it locally or is it a mail order only type of deal?

Thanks,
dd

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'85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit)
'82 300D, 'Tex', 228k body / 170k engine ... summer car
'83 300TD Cali Wagon 210k, wife's car

Diesel Giant sells it. Also might try your local MB dealership. If you search locally, try candy makers, wine makers and possibly soap makers. I saw some at a local wine producer and they had some for the home producer.
Tom

I got mine on ebay, fairly cheap too.

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Muleears
'07 E320 Bluetec 133K my DD
'04 Jaguar XJ8 VDP, 34K
'10 Hyundai Accent 60K Grocery Getter
'02 VW Golf soon to be on the road again
'97 E300 Diesel Son's DD
'61 VERY tolerant wife

Hampton Roads, VA USA

Gone but not forgotten:
'67 250S 95K
'86 300SDL
'87 300D Turbo, 364K! R.I.P.
'98 E300 Turbodiesel, 213K
'02 S420, 164K
'01 Prius 138K

If you can find a "real" hardware store, like a Tru Value (not Home Despot), they may have it. I found some in small (100 gm) packets at a local middle eastern grocery store for about $1 a packet. That's $10/kilo, with no shipping costs.

What the citric acid from the middle eastern grocery store used for? You sure it's the same citric acid in concentration needed for cleaning the radiators?

I searched True Value and Ace hardware for "citric acid ", neither one returned any results.

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

"Natural Food" type store may have it. I went through ebay.

Just guessing, but I suspect any food grade citric acid powder purchased will be of such a purity that the concentration variance from one source or another will be insignificant when compared to dissolving in water to add to the coolant system. What is the concentration of sugar is in a 5lb bag of sugar?

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83 300d - 390k

http://www.chemistrystore.com/citric_acid.htm

Is $1.40/ lb (50 lb bag) a good price?

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

I got my 2.2 lbs. from a local homebrew and wine supply (Keystone Homebrew). It cost under $7 and no shipping.

Citric Acid is used in winemaking to ajust acid levels. In cooking it's used as an antioxidant. Sprinkle some on fresh fruit and veggies to keep them from turning brown.

If you buy a 50lb. bag, I think you will have a hard time finding stuff to use it up on, unless you repack into 2.2lb bags and sell it to others wanting to do a coolant flush

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Chad
2006 Nissan Pathfinder LE
1998 Acura 3.0 CL
OBK#44
"Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.)

SOLD
1985 300TD - Red Dragon
1986 300SDL - Coda
1991 - 300TE
1995 - E320
1985 300CD - Gladys

I got mine @ www.bulkfoods.com

It was a little over $12 for a five lb. bag. I bought five of them because the shipping was free for an order of over $50. So I have a lifetime supply and then some. If any of you are in the same local you might buy it like I did and split the cost.

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Sedecrem

82 300SD 290k(needs engine swap)
79 240D 354k with new heart transplant w/220k
82 240D w/auto tranny soon to be manual 4 speed

If I cant find it locally, then thats my place. Not too bad. I may just order it from there - I think it'll be weekend after next until I get a chance to play around with this.

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'85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit)
'82 300D, 'Tex', 228k body / 170k engine ... summer car
'83 300TD Cali Wagon 210k, wife's car