FOG Digester 3B

Heavy duty FOG reducer and maintainer DSL

FOG Digester 3B is a biological product formulated for augmenting the natural biology of municipal activated sludge systems and to help lower the organic content of the waste. This blend of bacteria is effective under both aerobic and anaerobic conditions, providing accelerated digestion of sludge including proteins, fats, and carbohydrates.

Applications: Treatment Plants: Activated sludge systems, trickling filter, rotating biological contactors and lagoon systems


Reduces sludge build-up and improves settling

Helps to control grease

Produces an excellent effluent

Reduces odors

Ensures rapid biological start-up

Tech Specs
Bacteria Count 3 Billion CFU per gram
Bacterial Type Non-pathogenic microbes
Color Brown
Fragrance None
Gram Negatives Not present
pH 6 - 9.5
Temperature Range 20 - 40 Celsius
Warranty 2 Year
Storage Temperature 10 - 20 Celsius
Storage Humidity 30 - 60%
Directions for Use

Flow Rate Initial Dosage Maintenance**
Up to 1,000 gpd ½ lbs. per day for 3 days ½ lb. per week
Up to 5,000 gpd ½ lbs. per day for 3 days 1lb. per week
Up to 20,000 gpd 5 lbs.* 1½ lb. per week
Up to 50,000 gpd 8 lbs.* 2 lb. per week
Up to 250,000 gpd 15 lbs.* ¼ lb. per day
Up to 500,000 gpd 25 lbs.* ½ lb. per day
Up to 1 mgd 50 lbs.* 1 lb. per day
Up to 5 mgd 50 lbs. per mgd* 1 lb. per mgd per day
Up to 12 mgd 50 lbs. per mgd* ¾ lb. per mgd per day
Up to 100 mgd 30 lbs. per mgd* ½ lb. per mgd per day

* Spread this initial dosage out over the course of 10 days.
** Add as regularly as possible. If it is required to miss one day, add that day’s product with the next dosage.

Dosage rate will vary with flow rates, retention times and system variations. The rates above are for a typical, well maintained system.

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