Controlled Release Biological Treatment

EZ FOG Block SR is a high bacterial count solid block designed to provide continuous biological treatment of organic content in the waste stream. Formulated with a combination of strains and surfactants, our solid blocks are able to aggressively target and break down heavy loads and buildup of fats, oils, and grease (FOGs) and other organic compounds. EZ FOG Block SR are equipped with mesh netting bags, allowing you to hang the product directly into the waste stream for a multitude of applications. Once in the stream flow, the block will degrade at a consistent rate, administering a continual release of beneficial microorganisms into the waste stream.

EZ FOG Block SR is a longer-lasting extruded solid ideally suited for standard grease traps with a normal organic load, along with being an excellent solution for applications where the flow rate or water temperature dictate a slowly dissolving product.

Applications: Pits, Grease Traps, Lift Stations, Sumps, Large Industrial Drains, Holding Tanks, Reclamation Systems, Interceptors, Sewers


Simple, easy to use, and provides continuous treatment

Saves money by reducing the frequency of manual cleanouts/pumpouts, eliminating daily or weekly treatments preventing blockages, and lowering grease disposal cost

Reduces malodors associated with organic waste and sludge

Available in multiple block sizes for flexibility in dosing

Tech Specs
Bacteria Count 5 Billion CFU per gram
Bacterial Type Non-pathogenic microbes
Color Blue
Fragrance Characteristic
Gram Negatives Not present
pH 6.0 - 9.5
Ternperature Range 20 - 40 Celsius
Warranty 2 Year
Storage Temperature 10 - 30 Celsius
Storage Humidity 30 - 60%
Directions for Use

Suspend block in provided netting with rope into area to be treated and replace as needed. Dissolution rates will vary with water temperature, flow rates, and FOG levels

Flow Rate in MGD (GPD) Block Size (lbs.)
<.05 (50,000) 2
.05-0.25 (50,000-250,000) 5
>0.25-5.0 (250,000-500,000) 10
>0.5 (500,000) 20+

Grease Trap Capacity Block Size (lbs.)
50-500 gallons 2
500-1000 gallons 5
1000-1500 gallons 10
Over 1500 gallons 20+

Note: Dosing rates are dependent on temperature, pH, and content of the wastewater. The above applications and dosing rates may vary. For problematic systems, please contact your EnviroZyme technical representative.

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