Slow Release FOG Block

Controlled release grease treatment for drains, grease traps, and lift stations

Slow Release FOG Block is a bacterial laden cylinder designed to provide continuous biological treatment over a 30 – 45 day period. Simple and easy to use, Slow Release FOG Block dissolves gradually releasing billions of beneficial bacteria into the lift station to digest FOG and maintain clean, free flowing systems. EnviroZyme can help you choose the best block for your flow rate, temperature, and FOG concentrations.

Applications: Sumps, Pits, Sewers, Holding tanks, Reclamation systems, Lift Stations, Drains, Grease traps, Interceptors


Simple, easy to use – Extended release block for continuous treatment eliminates the cost of daily or weekly treatments

Saves money by reducing the frequency of manual cleanouts, preventing blockages, and lowering grease disposal costs

Reduces malodors associated with organic waste and sludge

Tech Specs
Bacteria Count 5 Billion CFU per gram
Bacterial Type Non-pathogenic microbes
Color Blue
Fragrance Characteristic
Gram Negatives Not present
pH 6 - 9.5
Temperature Range 20 - 40 Celsius
Warranty 2 Year
Storage Temperature 10 - 30 Celsius
Storage Humidity 30 - 60%
Directions for Use

Suspend Slow Release FOG Block with rope into area to be treated. Replace as needed with new product (approximately every 30 – 45 days). Contact your EnviroZyme representative to help decide on the right cube for your application. Block sizes and dissolution rate will depend on water temperature, grease content, etc.

Flow Rate Block Size
Up to 40,000 gpd 2 lb
40,000-200,000 gpd 5 lb
200,000-500,000 gpd 10 lb
Greater than 500,000 gpd 20-30 lb

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