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3109 Description


Inhibited Citric Acid 3109

A drum of citric acid liquid cleaner that cleans iron fouled HVAC piping.

Citric acid based liquid cleaner designed to clean iron fouled HVAC piping systems.  Click here for a detailed product description.


All prices exclude shipping

Description Wt./lbs. Price/lb.

Container Price

5 gal. Pail (3 Pail Minimum) 50   Call for Price  
15 gal. Drum 152   Call for Price  
30 gal. Drum 305   Call for Price  
55 gal. Drum 550   Call for Price  

Resin Cleaner 3109 is an ammoniated liquid citric acid blend designed to clean iron fouled zeolite resin and iron oxide fouled closed loop piping systems.


Inhibited Citric Acid 3109 is used to maintain the efficiency of a zeolite water softener. Whenever the softener resin bed is fouled with iron, formula 3109 should be used to restore peak efficiency. Inhibited Citric Acid 3109 can also be added to softeners weekly as a normal preventative maintenance routine. Inhibited Citric Acid 3109 can also be added to closed piping systems to remove iron oxide deposits and to passivate iron surfaces.


Physical State: Liquid
Color: Clear
Odor: Amine
pH: 3.5
Density: 10.2 lbs./gal.


Initial Cleaning: Soak resin bed in 8% by weight solution of Inhibited Citric Acid 3109 for 4-8 hours. Back wash resin bed thoroughly and regenerate softener. For severely fouled resin beds, increase soak time to 12-24 hours. A second application may be beneficial for improved iron removal.

Preventative Maintenance Cleaning: Add 32 ounces of Inhibited Citric Acid 3109 to the brine tank for each cubic foot of softener capacity every 8 to 10 generations or as iron fouling demands. For additional information on product application, contact your industrial cleaners.com representative.

Loop Cleaning: Dosage will vary depending on severity of fouling. Contact your industrial cleaners.com representative for further application information.


Inhibited Citric Acid 3109 is an acidic material. Do not take internally. Avoid contact with skin and eyes. Should contact occur, flush immediately with large amounts of water. If any discomfort persists, seek medical attention. Read relevant Material Safety Data Sheet before handling this product.


Inhibited Citric Acid 3109 is packaged in 55, 30, 15 and 5 gallon non-returnable containers.

Click here to order!



Did You Know...

Ammoniated citric acid removes iron fouled zeolite resin in closed loop piping systems.

Inhibited Citric Acid 3109 is great for cleaning fouled pipes!

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