Anaerobic Food Supplement – Boost Digester Performance


Anaerobic Food Supplement provides the building blocks to anaerobic life. This product provides methane-forming bacteria with a COD and micronutrient source specific for their growth and stabilization, allowing them to increase their methane production. Use Anaerobic Food Supplement in the following situations:

#1. When methane formers cannot keep up with variable high loadings or persistent low loadings.
#2. When operators are having trouble building methanogen populations.
#3. During new digester start up.
#4. To improve methane production.
#5. To stabilize digester pH by improving digester microbiota.

This product shines in plants with variable loading, or consistently low loading.

Anaerobic Digester Upset & Troubleshooting:

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*Anaerobic digester still need more of a boost? Learn about the rest of our anaerobic line with Anaerobic Food Supplement Companion Products.

30 lb. Container, bulk

1-9 pails: $8.45/lb
10-22 pails: $7.85/lb
23 pails and up: $7.25/lb
(Quantity Discounts reflected in cart)

Out of stock

The Science Behind It

When methanogens become stressed they lose the ability to produce methane, which leads to a buildup of volatiles acids. That build up reduces the pH which causes the digester to be acidic (sour) and leads to poor digester performance. Generally, a digester is considered sour if the pH in the digester is too low to allow for significant amounts of methane production. Generally this occurs below pH 6. If a digester is already sour, the pH should be adjusted before any other treatment is attempted. Sour digesters have a buildup of methanogen substrate which means the food supplement may actually make the problem worse. After a neutral pH has been reestablished, the food supplement can be used to improve pH stability.

Anaerobic digesters contain a variety of facultative bacteria, strict anaerobic bacteria, and archaea (such as methanogens) which allow a digester to break down volatile solids. Volatile solids are converted to soluble compounds by hydrolysis and then to short chain fatty acids by the acid generating bacteria. Once short chain volatile acids are present in an anaerobic system, the methane generators use the acids to produce biogas (primarily methane and carbon dioxide). The archaea responsible for methane production are much more susceptible to adverse conditions than acid generating bacteria (acetogens) and this is why anaerobic food supplement is so helpful. Anaerobic food supplement supplies methanogens with the COD and micronutrients they need so their populations can build during periods of low nutrient loading.

Companion Products

BioGas1 supplies methanogen-producting bacteria with the most important trace elements to help them convert food sources into gas, creating a more stable and productive anaerobic digester.

Ana-Zyme G handles the volatile fat, oil, and grease that enter anaerobic digesters and can cause foaming and upsets. Anaerobic digesters that use Ana-Zyme G are less likely to go sour than digesters that don’t.


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